Iran may have crossed 'a red line' with missile strike as U.S. mulls response

CBS News senior national security correspondent David Martin joins CBSN with the latest on Iran's missile attack on bases housing U.S. military forces in Iraq, and what the consequences could be as the Trump administration weighs its response.

missiles,rockets,missile launch,Iraq,Al Asad Air Base,Iran,U.S. military,troops,analysis,CBSN,live news,David Martin,