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.

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