President Obama warned Democrats in Congress today not to "jam" a health care reform bill through now that they've lost their commanding majority in the Senate, and said they must wait for newly elected Massachusetts Republican Scott Brown to be sworn into office.

The president also said the same voter anger that swept him into office in 2008 carried Brown into office on a stunning upset victory Tuesday night over heavily favored Democrat Martha Coakley.

Watch George Stephanopoulos'exclusive interview with Obama tonight on "World News" and"Nightline" and tomorrow on "Good Morning America." Check your local listings.