Obama: We will go after ISIS until it's 'finally destroyed'. President Barack Obama pledged Wednesday to "defeat" those who threaten the world with terrorism. The United States will "continue to go after ISIL aggressively until it's removed...

Brussels terror attacks Nail bombs, chemicals, ISIS flag found in search for suspects ISIS claims responsibility for Brussels attacks moving military into Brussels At least 30 killed, 230 hurt in Brussels terror attacks Belgian police hunting...

Obama tells Raul Castro: Cuban embargo is going to end A day after making his historic arrival in Cuba, U.S. President Barack Obama staged a symbolic demonstration of his attempt to elicit reforms from the authoritarian government here, taking...

Gathering to plot against Trump - Conservatives convene to talk third party, convention challenge. Prominent conservatives led by Erick Erickson on Thursday called for a unity ticket and a convention fight to stop Republican front-runner Donald...

Fox News has canceled its March 21 Republican presidential debate following Donald Trump's decision not to attend, three sources told CNNMoney on Wednesday. Dan Hayes, the general manager of the Salt Palace Convention Center, which was scheduled...

Why this day changes everything for GOP. The moment that many Republicans thought -- even hoped -- was impossible is now upon us: By Tuesday's end, Donald Trump could become the de facto presidential nominee of their party. Whether he does will...

Russia to withdraw forces from Syria. Russian President Vladimir Putin announced Monday that he has ordered Russian forces to begin withdrawing from Syria, saying they have achieved their goals in the country. The pullback will begin Tuesday,...

Observers have been worrying about heightened tensions at Donald Trump rallies for while, and now they're turning violent. On Wednesday night, a Trump supporter sucker-punched an African-American protester as he was being escorted out of a rally in...

Republican debate in Miami: What to watch Donald Trump, Ted Cruz, John Kasich and Marco Rubio will face off at CNN's presidential debate on Thursday night in a state that could make one of the four men virtually unstoppable -- and spell doom for...

Can Cruz be the uniter? Ted Cruz's challenge: uniting Republicans against Trump. Candidate's challenge is to rally Republicans against Trump. Ted Cruz emerged from "Super Tuesday 2" with one more victory and a slew of new delegates, cementing...