Breaking News from CBS

• Video: Colo. state senator faces recall after passage of gun control law

  Led by state Senate President John Morse, Colorado passed new gun control laws in March. Now, opponents of the law are trying to remove Morse from office. Barry Petersen reports.

• 4 U.S. troops killed at Afghanistan air base

  Attack comes same day U.S. and allied forces formally handed country's security over to Afghan army and police

• Video: Hi-tech giant spends millions to create next generation of Edisons

  In a pilot program in Tucson, Ariz., aerospace and defense contractor Raytheon is spending $100 million in hopes of inspiring future engineers and technology professionals. Anthony Mason reports.

• Innovative Ariz. class turns students' dreams into reality

  Pilot program developed with Raytheon Corporation encourages kids to create with its 3D design screen

• Colo. senator who pushed for gun control may lose job

  A recall is targeting state Senate President John Morse for leading effort to pass gun control laws that conservatives oppose