8:00 am ET - Porteous impeachment trial - The impeachment trial of U.S. District Court Judge Thomas Porteous continues on Capitol Hill.
9:00 am ET - U.N. General Assembly - Iranian President Mahmoud Ahmadinejad is among those scheduled to speak during the morning session of the United Nations General Assembly in New York.
10:00 am ET - Senate floor - Senators are expected to vote on whether to begin debate on legislation that includes a repeal of the military’s “don’t ask, don’t tell” policy.
10:30 am ET - Tea Party Patriots briefing - The leaders of the Tea Party Patriots, the nation’s largest Tea Party organization, are expected to make a “significant announcement” regarding the group.
1:15 pm ET - Medal of Honor ceremony - President Obama awards the Medal of Honor, the military’s highest award for bravery, to Air Force Chief Master Sgt. Richard Etchberger, who was killed in Laos in 1968.
3:00 pm ET - U.N. General Assembly - Canadian Prime Minister Stephen Harper is among those scheduled to speak during the afternoon session of the United Nations General Assembly.
CNN.com Live is your home for breaking news as it happens.