A gunman firing indiscriminately from his car on Saturday in Odessa, Texas, killed seven people and wounded 22 more. Many of the victims were sent to Odessa's Medical Center Hospital. William Brangham talks to Russell Tippin, the Medical Center Health…

The announcement comes just days after a mass shooting claimed seven lives in Odessa, Texas and follows two other back-to-back shootings last month, one of them at a Walmart store.

By Anne D'Innocenzio, Associated Press

With families of the Newtown shooting victims looking on, Congress moved closer to coming up with a comprehensive bill for reducing gun violence. The Senate blocked an attempt to prevent debate on the subject. Judy Woodruff reports on what measures…