North End Diner sits in a yellow building with teal trim, a glowing “Open” sign in the window, and a couple of white benches ...

These are the cues that can signal you should seek a better meal elsewhere.

The 67-year-old Lincoln native has just spent the last 90 minutes amiably detailing his brief but illustrious history as a competitive eater. He even agreed to demonstrate with a “sprint” of five red ...