In Portland, three men epitomize word ‘hero’

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Two men were killed, another injured, in Portland, Ore., after defending women from a man using racial slurs.

This is American domestic terrorism at its best. Who needs ISIS? Joseph Pitaru

There are more than a billion Muslims in the world. Not all are terrorists. Members of their community speak out against violence. But some people condemn all Muslims because of the actions of a few. By that standard, we should hate all Christians because of white supremacists who claim to be Christian. There are bad people from all walks of life. Don’t condemn all because of a few. Mike Bigalow

Unstable people can be very unpredictable and dangerous at times. Unfortunately, some are crazier and more dangerous than others. Pat Wells

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We asked readers whether bystanders should step in to defend against hate speech.

Ensure victim safety. Contact authorities. And find the courage to stand up for what’s right, knowing society supports you. @CaseyCyclingR3

How about ignore them? They want attention, and you shouldn’t fall for it. @gaprobate

We must stand up, even at our own peril. I am grateful for these heroes. @pattyleetn

Hate speech is very dangerous and the last step before violence. Call the authorities to report it. @Cadg6