The former Hillary Clinton staffer who helped set up the private email server she used while secretary of state invoked his constitutional right to not answer questions before a US House committee.
Billionaire Donald Trump has extended his lead over the Republican presidential field, while Democratic overall frontrunner Hillary Clinton now trails underdog Bernie Sanders in the key early voting state of Iowa.
Billionaire mogul and White House frontrunner Donald Trump publicly called on CNN to donate revenue from ad sales during the upcoming Republican debate to veterans.
Hillary Clinton apologized for using a private email server while secretary of state, calling the decision, which has dogged her Democratic presidential bid, a "mistake."
Guatemala's tumultuous presidential election is headed for a run-off on October 25 that will pit the surprise frontrunner, a comedian, against either a former first lady or a millionaire businessman, currently neck-and-neck.
Donald Trump lashed out at a radio reporter for asking him, as the Republican presidential frontrunner, "gotcha" questions about the men who lead Iranian special forces and major radical Islamic organizations.
Republican frontrunner Donald Trump's taunt of "sad" rival Jeb Bush -- "he was supposed to win, and he just doesn't have the energy" -- speaks volumes about the billionaire's propensity to go for the jugular.
Republican frontrunner Donald Trump had a message for his Spanish-speaking rival Jeb Bush as they compete for their party's presidential nomination: lead by "speaking English."
On the eve of the Constitution Day in Kazakhstan, President Nazarbayev commented on accusations of autocracy.
She remains Democrats' best hope to retain the White House, but Hillary Clinton has failed to shake an unremitting email scandal that has dragged down her trustworthiness.
Around 150 more of the emails that former US secretary of state Hillary Clinton kept on a private server have been retroactively deemed classified.
The White House said that Vice President Joe Biden deserved "time and space" to decide whether to launch a presidential run.
Five months before early primary voting, America's presidential race has devolved into mudslinging, with Republican Donald Trump leading the charge to the bottom by lambasting his many rivals.
Republican White House hopeful Jeb Bush accused Asians of abusing rules allowing infants born in the United States to be American citizens.
The White House on Monday acknowledged that Vice President Joe Biden is still weighing a possible run for the top job.
Vice President Joe Biden and Hillary Clinton would make equally formidable opponents in the race for the White House, Donald Trump said.
Breaking with the president she hopes to succeed, Hillary Clinton expressed her opposition Tuesday to Arctic oil exploration.
Dozens of emails sent or received by Hillary Clinton during her time as secretary of state, from the 3,500 already made public, have been classified as "confidential."