The Thistle & Shamrock, like many neighborhood stores, has always been a good place to buy cigarettes and copies of the Boston Herald. You could also get bread and milk, and potato chips. And of course lottery tickets. But it has become more idiosyncratic, and change is a constant.
I begin by confessing that I have a weakness for Taco Bell, though I don’t understand the menu. I visited one before or after foreign movies at the long-vanished Nickelodeon theater; at Prospect and Hampshire streets; and in North Cambridge, a KFC combination known to locals as “Ken-taco.”