Candidates make final pitch to voters before New Hampshire primary

Voters in New Hampshire will cast their ballots in the first-in-the-nation primary tomorrow. A new CBS News Battleground Tracker poll shows Senator Bernie Sanders leading the field, followed closely by former mayor Pete Buttigieg. CBSN political reporter Caitlin Huey-Burns joined CBSN to discuss how the candidates are making their last-minute pitches to voters in the Granite State.