S41E42: February 29, 2016

Monday on the NewsHour, with less than 24 hours before polls open for Super Tuesday, candidates train their sights on Trump. Also: Amy Walter and Tamara Keith talk politics, reformist electoral gains in Iran spark hope, the new face of cybercrime, South Dakota considers a seminal transgender law, African nations fight jihadists and how the investigative journalism of ‘Spotlight’ can survive today.