Desperate for wins in their home states on Tuesday, Republicans Marco Rubio and John Kasich are fighting to keep their political hopes alive.

Donald Trump and Bernie Sanders hope to emerge from New Hampshire's primary Tuesday with their first wins of the 2016 presidential election, victories that would lend needed credibility to the unexpected contenders' pursuit of their parties' nomination.

GOP front-runner Donald Trump is aiming for his first win in New Hampshire's fast-approaching primary, while rival Republican candidates, including Jeb Bush, said their campaigns will go on no matter what the outcome Tuesday.