All eyes on New Hampshire campaign
The six men left in the Republican presidential race are making final pitches to New Hampshire voters ahead of the state's primary on Tuesday.
Mitt Romney remains the strong front-runner, with polls on Monday showing Ron Paul and Jon Huntsman jockeying for position behind him.
Rick Santorum and Newt Gingrich are vying for conservative votes, with one eye on the next race in South Carolina.
The BBC's Katty Kay went out in search of the issues which the candidates are using to woo every voter they can.
- From the section US & Canada