Sen. Marco Rubio's long condemned the Obama administration's Cuba policy. But on Tuesday, he's flexing his muscles as a new subcommittee chairman to do something about it.
Cory Booker joined the Senate in 2013 as one of the chamber's most prolific Twitter users, boasting 1.4 million followers on his personal account.
Driverless pods, gliding above city streets using a network of elevated guideways. This is SkyTran -- but is it the future?
Hillary Clinton used a tweet to compare people who deny the power of vaccines to those who question whether the earth is round of the sky is blue.