PBS News Hour S42 E253 December 20, 2017

Wednesday on the NewsHour, Republicans pass the most drastic rewrite of the tax code in decades, sending the $1.5 trillion plan to the president’s desk. We explore the bill’s impact on Obamacare. Also: The stunning civilian death toll of defeating ISIS in Mosul, how moving houses can improve your health, reviewing the year in science and a new musical that’s generating Tony buzz.