Airstrikes killed Anwar al-Awlaki, a U.S.-born al-Qaida leader in Yemen. At home, dissatisfied GOP voters want Gov. Chris Christie to join the presidential race. Also, President Obama feuds with his base. Plus, a stopgap bill temporarily prevents a government shutdown. Joining Gwen: John Dickerson, Slate/CBS News; Sam Youngman, The Hill; Major Garrett, National Journal; Pierre Thomas, ABC News.