Israeli police officers examine a blown-up bus at the site of a bombing in Tel Aviv, Israel, Wednesday, Nov. 21, 2012. (AP Photo/Oded Balilty)

Photo by: Oded Balilty

Israeli police officers examine a blown-up bus at the site of a bombing in Tel Aviv, Israel, Wednesday, Nov. 21, 2012. (AP Photo/Oded Balilty)