Ted Kaye, a vexillologist, or person who studies flags, calls it a “seal on a bedsheet” — an unflattering term for a flag design in vexillology circles — and said Illinois needs a rebrand.

But even with the bill tabled, what makes for a good flag? It’s something that vexillologist Ted Kaye thinks a lot about. Kaye is the author of “Good Flag, Bad Flag: how to Design a Great Flag ...