As Joe Biden and Paul Ryan spat fire at one another during the Thursday night's vice presidential debate, the online community buzzed with commentary, tweeting quotes, praise, and criticism of the candidates' performances. President Barack Obama's Twitter feed was particularly busy, feverishly posting Democratic debate points under the label #TeamJoe. 

As Politwoops--a Sunlight Foundation tool that captures politicians' deleted tweets--proves, not even the president is absolved of error. In the social media frenzy, Obama's team misquoted his number two, taking a statement intended to support the middle class and turning it into one championing the rich ...