It’s a big week for politicians running for, or already in, higher office – at least in terms of talk-show appearances, that is. Jeb Bush showed up on the premiere installment of Late Show with Stephen Colbert, and Vice President Joe Biden is scheduled to visit Colbert tonight. Meanwhile, earlier in the day, Hillary Clinton visits Ellen – and, between segments, learns the Whip/Nae Nae dance from Ellen and DJ Stephen “Twitch” Boss. Apparently, the Whip/Nae Nae dance