PBS News Hour S41 E27 February 8, 2016

Monday on the NewsHour, presidential candidates make one last push for support in New Hampshire on the eve of the nation’s first primary. Also: Sen. Bernie Sanders and Hillary Clinton fight for middle class voters, a look inside the presidential campaigns, Amy Walter and Tamara Keith talk politics, Brazil wages war on the Zika epidemic and a NATO build-up threatens to reignite Cold War tensions.