Yes, you heard right. If you were watching the YouTube-only Overtime segment of HBO’s Real Time with Bill Maher tonight, you might have learned something new about former congressman Barney Frank: His cousin was a Stooge. Shemp, to be specific, and a first cousin once removed, to be precise. The former Massachusetts congressman, along with Maher and Real Time guest Bob Costas, were discussing the controversy over ESPN’s Jemele Hill, who caused a firestorm by tweeting that…