PBS Newshour - 41x11 - January 15, 2016- Followmy.tv

Friday on the NewsHour, Chinese market struggles and plummeting oil prices lead to big losses on Wall Street. Also: Donald Trump and Ted Cruz dominate the Republican debate, Shields and Brooks discuss the 2016 presidential race, Silicon Valley tries to fix its diversity problem and Civil War trauma meets medical drama in the PBS miniseries “Mercy Street.”