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Burris defends appointment

On NBC Nightly News, Roland Burris defended his selection by embattled Gov. Rod Blagojevich to succeed President-elect Obama.

"I don't see this appointment as radioactive," Burris said.

Watch the full interview here.

Moments earlier, MSNBC's 1600 got the first interview with Burris since being announced as Blagojevich's replacement.

Watch that wide-ranging interview here.