Even politicians post things they regret later.

You can see the tweets they posted first, and deleted after on Politwoops.

Barack Obama

This account is run by #Obama2012 campaign staff. Tweets from the President are signed -bo.

Barack Obama (test) tweeted :

"All Americans stand with the people of Boston." —President Obama

Barack Obama (test) tweeted :

Hey, @MichelleObama: Happy Valentine's Day. -bo

Barack Obama (test) tweeted :

"Trayvon Martin could have been me 35 years ago." —President Obama

Barack Obama (test) tweeted :

After 36 years, Voyager 1 has become the first human-made object to leave the solar system. OFA.BO/M6NPvp Congratulations @NASA.

Barack Obama (test) tweeted :

Have you signed up for your chance to meet the President? @OFA will fly winners to meet him backstage. OFA.BO/nLL1Bh

Barack Obama (test) tweeted :

RT if you voted for President Obama today—or if you're waiting in line to do it now. #StayInLine

Barack Obama (test) tweeted :

"Nearly 3 in 4 Americans—about half of all Republicans, support raising the minimum wage." —President Obama #RaiseTheWage #OpportunityForAll

Barack Obama (test) tweeted :

"In some ways, the trends that had been battering middle class families for a long time have been getting even starker." —President Obama

Barack Obama (test) tweeted :

There are many ways to get involved in the fight to #CoverAmerica. Read how Jeannette's making a difference: ofa.bo/s5O

Barack Obama (test) tweeted :

Ned is grateful. Read why: ofa.bo/i2d http://t.co/OTFDmcFL1D