Getting business out of the way up front: Some band called the B-52s played the Showbox last night. Happy-go-lucky new-wavy retro-styled pop music had the place jumping. And yes, they closed with "Rock Lobster," a song which had, apparently, been utterly forgotten until it was referenced on Family Guy. Stupid kids; we weep for the future. But let's talk about the fun little surprise last night that was the opener, Eagle Seagull, an Omaha pop......