03/28/2008 02:45 am ET Updated May 25, 2011

Lieberman To Endorse McCain

Sen. Joseph Lieberman (Conn.), who was on the national Democratic ticket in 2000, will cross the aisle to endorse Sen. John McCain (R-Ariz.) tomorrow, Republican sources said.

The two will appear together on NBC's "Today" show tomorrow, then at an 8 a.m. town hall in Hillsborough, N.H. They will talk with reporters after the town hall meeting.

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