Spotted links

Each of these is a quiz question in its own right, but the answers connect to a common theme, which could be anything from plumb straightforward to bizarrely lateral.

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4. Baloney is another word for which sausage, named after a large city in Northern Italy? Which English city has a shoe, a shirt, a cloth and a comma named after it? Cantabrigian is an adjective that pertains to Harvard and which English city? In the TV series Breaking Bad, which character with the first name Hector is crippled and unable to speak after suffering a stroke, and able to communicate only by ringing a desk bell attached to his wheelchair?

5. Which Italian city is the setting for most of the action in Shakespeare’s The Taming of the Shrew?