PBS NewsHour full episode Aug. 2, 2017

Aired: 8/1/2017 | 0:54:11 | Episode
Wednesday on the NewsHour, President Trump announces new efforts to overhaul legal immigration and vastly reduce the number of people allowed into the U.S. Also: A breakthrough in gene editing, the tug of war between Congress and the White House, attempts to stop superbugs, an Interior Department official speaks out and right-wing activists confronting refugees in the Mediterranean Sea.