The Florida senator has struggled to gain traction in a crowded GOP field. During a two-day campaign swing through the Granite State, he tried to portray himself as the best candidate to tackle ISIS.
The calendar has finally turned to 2016, and the Republican presidential candidates are ramping up their campaigning. The theme this week is national security, an issue that unites the GOP establishment and the conservative grassroots.
With just weeks before the first votes are cast, Democratic presidential candidate Hillary Clinton unleashes her husband on the campaign trail in New Hampshire. Bill Clinton remains a popular figure among Democrats, but he also comes with baggage.
The ads will air in Iowa and New Hampshire, as candidates make their final push in the early states. They strike a fearful tone, featuring footage and news headlines of recent terrorist attacks.
President Obama met with the attorney general and the FBI director as he prepares to go around Congress and take executive action to reduce gun violence. But could the move actually prompt more Americans to buy guns?
As candidates kick off the final month before primaries and caucuses, NPR's Rachel Martin checks in with political correspondent Sarah McCammon. She's just off the campaign trail in all-important Iowa.
In North Carolina, you'll need ID to vote; in Oregon, people will be automatically registered. California has a new way to block a person's access to firearms; in Texas, expect to see more handguns.