03/26/2009 05:12 am ET Updated May 25, 2011

Burris Returns To Senate Under Cloud Of Controversy

This week will be a critical test of Burris's hold on that seat. The three-week-old senator shut out the press this weekend, forgoing any public appearances or media interviews, but will be unable to continue that blackout in the halls of the Senate. And legislatively, this week could bring crucial early votes on federal budget issues as well as long-stalled legislation to provide the District of Columbia with voting rights . A spokesman for Reid said Burris is welcome at the Democratic caucus lunch on Tuesday as usual, but it remains unclear how welcome he will be among his fellow lunch guests.

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