LETTER from CHIP NORTHRUP Protocol Directs: Don’t Put Private Flag On Public Pole To the Editor: I was so flummoxed over the slavery flag issue that I almost overlooked the other flags. Public flag protocol is governed by established tradition and state law, not by local plebiscites or whims. If any flag goes up on a public flagpole, it should be the national flag, then the state flag, then a municipal flag. A municipal flagpole is not a sign board for…