Bush's first tweet on Tuesday was about Nelson Mandela.
The Utah Republican noted a lack of precipitation after federal offices were closed.
The announcement prompted tweets of surprise, intrigue and rebuke.
Nancy Pelosi and John Boehner exchanged barbs Wednesday about the chamber's productivity.
A slew of Democrats on Wednesday tweeted “Happy Holidays” to the Republican National Committee and the National Republican Congressional Committee (NRCC).
The Democratic National Committee (DNC) encouraged supporters to tweet the phrase...
Two flacks found themselves battling over ObamaCare on Twitter Tuesday.
The RNC tweet credited Rosa Parks for "her role in ending racism."
The Texas Republican took to Twitter on Sunday to criticize ObamaCare.