Ted Kennedy Brain Tumor: Politicians React

Politicians react to the news of Senator Ted Kennedy's brain tumor.

Senator Barack Obama, who was recently endorsed by Senator Kennedy:

It's heartbreaking. Ted Kennedy is not only a giant of the Senate but he's a good friend. You couldn't have a better supporter than Ted Kennedy.

Watch Obama discuss Kennedy on MSNBC:

Senator Dodd reacts to Ted Kennedy's brain tumor:

Fighting back tears, Sen. Chris Dodd, D-Conn., described by Senate Majority Leader Harry Reid, D-Nev., as Kennedy's closest friend in the Senate, insisted, "We're confident he's going to be back."

President Bush:

"Ted Kennedy is a man of tremendous courage, remarkable strength and powerful spirit," Bush said. "Our thoughts are with Senator Kennedy and his family during this difficult period."

Former JFK speechwriter Ted Sorenson, who has known Ted Kennedy for over 50 years, told MSNBC that "if anyone can recover from what faces him, he can."