U.S. presidential candidates are campaigning in the eastern state of New Hampshire which on Tuesday will hold the country's second voting contest through which Americans select their parties' candidates for the November election.
Republican presidential candidate, billionaire Donald Trump, gestures to the crowd as he signs autographs at a campaign event at Plymouth State University Sunday, Feb. 7, 2016, in Plymouth, New Hampshire.
Democratic presidential candidate Hillary Clinton meets with customers as she picks up her food order, Feb. 7, 2016, at Puritan Backroom restaurant in Manchester, New Hampshire.
Republican presidential candidate, Senator Ted Cruz, laughs after a question from a 9-year-old boy during a town hall-style campaign event, Feb. 7, 2016, in Peterborough, New Hampshire.
Democratic presidential candidate, Senator Bernie Sanders, speaks during a campaign stop at Great Bay Community College, Sunday, Feb. 7, 2016, in Portsmouth, New Hampshire.