Colin Powell endorses Obama

Two Marines held umbrellas for President Obama and the Turkish Prime Minister, during a news conference in the rain. Umbrella-holding is against Marine regulations, because it makes it harder to salute.

The president insists he learned of the investigation into allegations the agency had been targeting conservative groups along with everyone else, but conservative leaders are now questioning how high up the chain the scandal goes. CBS News' Nancy Cordes reports.

CBS News chief White House correspondent Major Garrett discusses the White House's response to the fast-moving scandals and the impact of that response on the presidency.

Sen. Kristen Gillibrand, D-N.Y., is introducing a bill that would make historic changes to the way sexual assaults are prosecuted by the military. Gillibrand discusses the bill with the "CBS This Morning" co-hosts.

CBS News chief Washington correspondent and host of "Face the Nation," Bob Schieffer, discusses the White House's response to the IRS, Benghazi, and Associated Press scandals.

In response to critics, the White House has released 100 pages of emails and notes relating to the attack in Benghazi, Libya, in which U.S. ambassador Chris Stevens and three other Americans were killed. CBS News' Bill Plante reports.