Nikki Haley questions Trump’s mental competence in lead-up to New Hampshire’s primary

With days until New Hampshire’s primary, Nikki Haley is going after former President Donald Trump’s mental competence after comments he made where he appeared to confuse her for Nancy Pelosi. NBC News’ Dasha Burns has the latest from New Hampshire. » Subscribe to NBC News: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: Visit : Find NBC News on Facebook: