Students and faculty line up along with visitors to get through a security checkpoint  to enter the Cathedral of Learning on the University of Pittsburgh campus on Tuesday, April 10, 2012 in Pittsburgh. Dozens of bomb threats at the University of Pittsburgh over the past two months have students on edge and the school has set up security checkpoints at building entrances and even offered a $50,000 reward for information leading to an arrest. (AP Photo/Keith Srakocic)
Students and faculty line up along with visitors to get through a security checkpoint to enter the Cathedral of Learning on the University of Pittsburgh campus on Tuesday, April 10, 2012 in Pittsburgh. Dozens of bomb threats at the University of Pittsburgh over the past two months have students on edge and the school has set up security checkpoints at building entrances and even offered a $50,000 reward for information leading to an arrest. (AP Photo/Keith Srakocic) AP
Students and faculty line up along with visitors to get through a security checkpoint to enter the Cathedral of Learning on the University of Pittsburgh campus on Tuesday, April 10, 2012 in Pittsburgh. Dozens of bomb threats at the University of Pittsburgh over the past two months have students on edge and the school has set up security checkpoints at building entrances and even offered a $50,000 reward for information leading to an arrest. (AP Photo/Keith Srakocic) AP

Foreclosure filings tumble in Sacramento

April 12, 2012 5:00 AM