PBS Newshour - 41x23 - February 2, 2016- Followmy.tv

Tuesday on the NewsHour, after Cruz and Clinton claim victory in Iowa, candidates shift their focus to New Hampshire. Also: What’s at stake going into the next round of primaries, the Islamic State’s expansion in Libya, San Francisco police face review after a fatal shooting, Oklahoma leads the nation in preschool education and lost photographs illuminate black history.