Philip Elliott

Sen. Marco Rubio entered the presidential race Monday by offering the nation a younger generation of leadership that breaks free of ideas "stuck in the 20th century," a jab at both Democratic favorite Hillary Rodham Clinton and his one-time Republican mentor, former Florida Gov. Jeb Bush.

Sen. Rand Paul, a tea party favorite and frequent antagonist of leaders of his Republican Party, is ready to test how much change voters want, both for their government and for the GOP.

Sen. Ted Cruz said Tuesday he is signing up his family for health care coverage through the Affordable Care Act, a law the Republican presidential candidate has vowed to repeal should he win the White House.

Sen. Ted Cruz showed he was a candidate in a hurry early Monday morning, announcing his presidential candidacy on Twitter just after midnight, several hours before the official launch at the college founded by the late Rev. Jerry Falwell Monday morning.

Speaking candidly about his front-row seat to Obama's presidency, Joe Biden used his speech at the Democratic National Convention to paint his friend as a gutsy leader who helped the nation turn the corner on its dour economy.

Sarah Palin's husband on Thursday called a book critical of his family "disgusting lies, innuendo and smears" as the former Alaska governor's camp sought to discredit a racy biography that includes allegations of infidelity and drug use.