She presented a compelling story of family struggle and had a few words of explanation to her harshest critics.
She'll face tough questioning, but even Republicans expect her to be confirmed.
Congressional Twitterers include Sen. John McCain, who last year said he didn't know how to use e-mail. But don't look for tweets from President Obama.
His race may hamper his ability to respond to needs of African-Americans, some say.
Black jazz legends were sent abroad as part of a State Department diplomatic push even while segregation continued back home.
Both ousted President Manuel Zelaya and interim leader Roberto Micheletti sounded uncompromising notes at the start of official dialogue Thursday in San Jose.
US backs Costa Rica's Arias to mediate the crisis, wary of being seen as interfering in the region – as it has in the past.
Fellow Democrats greeted him warmly Tuesday, but his vote is no guarantee that thorny legislation – such as healthcare reform and a sweeping energy bill – will hit the fast track.