Maryland lawmakers are thinking maybe it's time to find a way to scrub "Northern scum" — and a few other sensitive pre-Civil War phrases — from the official state song. "Maryland, My Maryland," set to the traditional seasonal tune of "O, Tannenbaum," was written in 1861 and adopted as the state song in 1939. But now some lawmakers are pushing for a change to the warlike language in what was originally a poem that doubled as a call to arms. Senate President Thomas V. Mike Miller wants a new commission to examine the song and consider changing some stanzas to...