Prince V. Spy – A former top intelligence official in the Saudi Arabian government says the kingdom's ruler, Mohammed bin Salman, plotted to kill him and has taken his children hostage. Saad Aljabri speaks to Scott Pelley in his first interview. Running Dry – Colorado River water levels have dropped so low that the federal government, for the first time, declared an official shortage of the precious resource. As Bill Whitaker reports, resulting water cuts will hit Arizona hard. But the health of the river is a concern for 40 million people in the West, including Native American tribes and farmers who grow 90 percent of America's winter greens. Michael Keaton – The versatile actor has impressed audiences and critics for four decades. From Beetlejuice to Batman and Birdman, his films have grossed billions. Michael Keaton speaks to Jon Wertheim about his craft, his career, and his latest role as a rural doctor in a town overwhelmed by Oxycontin.