Popular Redskins quarterback Robert Griffin III – or "RGIII" as he’s called – tweeted out a picture Saturday of himself meeting the commander-in-chief.

Rep. Bruce Braley (D-Iowa) deleted a tweet referencing the "Trail of Tears" after Iowa State was eliminated from the tournament.

Sen. Mark Kirk (R-Ill.) tweeted his thanks to actress Jennifer Aniston on Thursday.

"Thanks Jennifer Aniston for the well wishes," he wrote, tweeting a picture of him with an autographed photo of the actress that also says "Get well soon."

While the White House insists it isn't concerned by recent polling showing the president's approval rating dipping, former Obama campaign manager David Plouffe lashed out at polling firm Gallup on Twitter Thursday.

@jonfavs @pfeiffer44 @jfkjrforum Never have so many been wrong by so much. But let's still salivate over the latest Gallup numbers.

— David Plouffe (@davidplouffe) March 28, 2013

During the 2012 presidential campaign, the polling firm consistently showed Republican presidential candidate Mitt Romney either in the lead or performing better than he had other national polls. At the time, the Obama campaign questioned the firm's methodology, a complaint validated by the president's commanding win in November. 

Comedic actor Jim Carrey cited newly released details about the shooting massacre at Sandy Hook Elementary School to argue over Twitter that Congress should enact new gun restrictions.

Sen. John McCain (R-Ariz.) tweeted on Wednesday that a woman tried to illegally cross the U.S. border from Mexico in front of him and a group of senators in Arizona.

The actor famous for his portrayal of Captain James Kirk joins critics of the IRS's "Star Trek" video.

Rep. Debbie Wasserman Schultz (D-Fla.) on Sunday taunted this year’s NCAA Cinderella team, the Florida Gulf Coast Eagles, by tweeting a photo of an alligator devouring an eagle.

Got a toothpick? @uflorida #Gators vs. @fgcueagles #Friday. #Floridapride #GatorNation #MarchMadness twitter.com/DWStweets/stat…

— D Wasserman Schultz (@DWStweets) March 25, 2013

President Obama's Twitter account retweeted a picture of musician John Lennon's bloody glasses posted on the Twitter account of Yoko Ono, Lennon's wife.