WASHINGTON, D.C. - Less than a week after their appearance at the White House State Dinner, Michaele and Tareq Salahi have some more explaining to do. Representatives from the Congressional Black Caucus Foundation say the couple also attended their recent awards dinner without an invitation, and multiple sources say they sneaked into the event through an entrance meant for bus boys and caterers. Last Tuesday, the Salahis strolled into President Barack Obama's first State Dinner. They said hello along the official receiving line, but the White House says they weren't invited. They say security was breached, and an investigation was...