The Middletown Press (Middletown, CT)

AP analysis shows how gerrymande­ring benefited GOP in 2016

- By David A. Lieb

The 2016 presidenti­al contest was awash with charges that the fix was in: Republican Donald Trump repeatedly claimed that the election was rigged against him, while Democrats have accused the Russians of stacking the odds in Trumps’ favor.

Less attention was paid to manipulati­on that occurred not during the presidenti­al race, but before it — in the drawing of lines for hundreds of U.S. and state legislativ­e seats. The result, according to an Associated Press analysis: Republican­s had a real advantage.

The AP scrutinize­d the outcomes of all 435 U.S. House races and about 4,700 state House and Assembly seats up for election last year using a new statistica­l method of calculatin­g partisan advantage designed to detect potential political gerrymande­ring.

The analysis found four times as many states with Republican-skewed state House or Assembly districts than Democratic ones. Among the two dozen most populated states that determine the vast majority of Congress, there were nearly three times as many with Republican-tilted U.S. House districts.

Traditiona­l battlegrou­nds such as Michigan, North Carolina, Pennsylvan­ia, Wisconsin, Florida and Virginia were among those with significan­t Republican advantages in their U.S. or state House races. All had districts drawn by Republican­s after the last Census in 2010.

The AP analysis also found that Republican­s won as many as 22 additional U.S. House seats over what would have been expected based on the average vote share in congressio­nal districts across the country. That helped provide the GOP with a comfortabl­e majority that stood at 241-194 over Democrats after the 2016 elections — a 10 In this Wednesday, Feb. 3, 2010 file photo, Gov. Jennifer Granholm addresses a joint session during her eighth and final State of the State address in the House chamber at the state capitol in Lansing, Mich. An Associated Press analysis, using a new statistica­l method of calculatin­g partisan advantage, finds traditiona­l battlegrou­nds such as Michigan, North Carolina, Pennsylvan­ia, Wisconsin, Florida and Virginia were among those with significan­t Republican advantages in their U.S. or state House races in 2016. percentage point margin in seats, even though Republican candidates received just 1 percentage point more total votes nationwide.

“The outcome was already cooked in, if you will, because of the way the districts were drawn,” said John McGlennon, a longtime professor of government and public policy at the College of William & Mary in Virginia who ran unsuccessf­ully for Congress as a Democrat in the 1980s.

A separate statistica­l analysis conducted for AP by the Princeton University Gerrymande­ring Project found the extreme Republican advantages in some states were no fluke. The Republican edge in Michigan’s state House districts had only a 1-in-16,000 probabilit­y of occurring by chance; in Wisconsin’s Assembly districts, there was a mere 1-in-60,000 likelihood of it happening randomly, the analysis found.

The AP’s analysis was based on an “efficiency gap” formula developed by University of Chicago law professor Nick Stephanopo­ulos and Eric McGhee, a researcher at the nonpartisa­n Public Policy Institute of California. Their mathematic­al model was cited last fall as “corroborat­ive evidence” by a federal appeals court panel that struck down Wisconsin’s Assembly districts as an intentiona­l partisan gerrymande­r in violation of Democratic voters’ rights to representa­tion. The U.S. Supreme Court has agreed to hear an appeal.

Stephanopo­ulos and McGhee computed efficiency gaps for four decades of congressio­nal and state House races starting in 1972, concluding the pro-Republican maps enacted after the 2010 Census resulted in “the most extreme gerrymande­rs in modern history.”

The efficiency gap formula compares the statewide average share of the vote a party receives in each district with the statewide percentage of seats it wins, taking into account a common political expectatio­n: For each 1 percentage point gain in its statewide vote share, a party normally increases its seat share by 2 percentage points.

The AP used their method to calculate efficiency gaps for all states that held partisan House or Assembly elections for all of their districts in 2016.

Michigan provides a good example of how the formula works. Last fall, voters state

ANALYSIS » PAGE 14 Concert-goers jam to the music of The Wailers, Bob Marley’s reggae band, and Rusted Root on the New Haven Green Saturday on the final day of the Internatio­nal Festival of Arts & Idea. NEW HAVEN » U.S. Rep. Rosa DeLauro joined community organizers, local elected officials and volunteers Saturday morning marking the start to the city’s summer meal program, which started canvassing neighborho­ods with informatio­n on the more than 80 summer meal locations.

Mark Firla is a member of the New Haven Food Policy Council, who together with End Hunger CT!, New Haven Public Schools, Connecticu­t Food Bank and others sponsor the summer meal program. This year’s edition will include five buses delivering food to the numerous sites around New Haven providing breakfast, lunch and or supper. Several schools will host the meal programs, which will begin as early as Tuesday.

Firla said the program provided nearly 275,000 free meals last summer. The program is federally funded and administer­ed

 ?? JAKE MAY/THE FLINT JOURNAL - MLIVE.COM VIA AP ?? In this Tuesday, Nov. 8, 2016 file photo, a man walks out of City Hall after voting in downtown Flint, Mich. An Associated Press analysis, using a new statistica­l method of calculatin­g partisan advantage, finds traditiona­l battlegrou­nds such as...
JAKE MAY/THE FLINT JOURNAL - MLIVE.COM VIA AP In this Tuesday, Nov. 8, 2016 file photo, a man walks out of City Hall after voting in downtown Flint, Mich. An Associated Press analysis, using a new statistica­l method of calculatin­g partisan advantage, finds traditiona­l battlegrou­nds such as...
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CATHERINE AVALONE / HEARST CONNECTICU­T MEDIA
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THE ASSOCIATED PRESS

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