AP Top U.S. News At 5:19 p.m. EDT

Challenging Obama, House GOP unveils new debt bill.
APNewsBreak: DNA may link rape suspect to Md. case.
Shooter in Ark. soldier killing sentenced to life.
Teen’s father: Alaska bear attacked quickly.
Defense: polygamist leaders’ rights were violated.
Dozens of airport construction projects halted.
Pelosi calls for ethics probe into Wu sex report.
Going public: Strauss-Kahn accuser tries rare path.
Gay weddings continue as opponents sue over NY law.
Skate rink DJ: Gunman ‘smooth, cool’ as he shot 5.