What's new and/or interesting at Philly theaters this weekend. Ira & Abby - Ira is a brilliant, neurotic Jew with tons of "issues" (hmm... where have we heard of that character before?), and Abby is a free spirit who likes to solve her friends' problems. They meet, fall in love, meet each other's parents, and decide to get married, all in just a few hours. Then, of course, a series of wacky shenanigans make them......