Donald Trump leads the pack of Republican candidates in Iowa but also tops the list of candidates voters said they would not support.
Former Congressman Anthony Weiner's former sexting scandal could be a distraction for Hillary Clinton's campaign.
Bernie Sanders took a slight lead over Hillary Clinton in a recent Iowa poll, but the former secretary of state still appears to be the front-runner on the national scene.
Hillary Clinton apologized Tuesday for using a private email address while serving as U.S. secretary of state.
A super PAC backing Hillary Clinton is promoting her plan to overturn Citizens United and "curb the influence of big money in American politics."
"Donald Trump and I both agree that there ought to be more taxation of the billionaires, the people who are making their money on Wall Street."
"I think Bernie Sanders has been a terrific campaigner. He campaigns exactly as I would campaign if I were a candidate," Buffett said.
The Democratic frontrunner pledged to strike down the Supreme Court's 2010 Citizens United decision and called for more transparency in large political donations.
She called the emails controversy "a distraction" that had not affected her campaign plans or her message.
Biden’s remarks on the state of the economy raised speculation about possible campaign themes if he decides to run.
Momentum: Sanders appears to be gaining it, and former Secretary of State Hillary Clinton seems to be losing it in New Hampshire and Iowa.
In terms of fundraising, Lawrence Lessig is still a ways behind U.S. Sen. Bernie Sanders, and well behind former Secretary of State Hillary Clinton.
The Clintons paid a U.S. State Department employee to maintain a private email server for Hillary Clinton while she was secretary of state, a Clinton campaign official says.
The Republican's "Star Wars" tweet joined a growing list of ridiculed social-media efforts by presidential candidates.
Former Secretary of State Hillary Clinton admitted she shouldn't have used a private email account, but said it was “allowed by the State Department.”
Puerto Rico's government has been borrowing to sustain its deeply ingrained Medicaid program, which provides healthcare to half the country's residents.
Presidential hopeful Marco Rubio said granting the U.S. territory bankruptcy provisions wouldn't solve its problems.
Vice President Joe Biden said his family's ability to cope would be key to his decision to bid for the White House in 2016.
The Democratic candidate's campaign has galvanized support using the popular social news site.
"I just wanted fairness from the Republican Party," the GOP presidential candidate said. "The best way for Republicans to win is if I win the nomination."
As Bush picks up his efforts to take down Trump, the candidates are beating at one another over conservative credentials and Spanish.
Bryan Pagliano worked for Hillary Clinton during her 2008 presidential run and at the State Department during her time there.