Nuclear war is now more likely than its been since the 1980s. Two Boulder researchers are leading a team to describe, as vividly as possible, what the world would look like after a nuclear conflict. Also, Republican U.S. Senator Cory Gardner, ahead of what could be the biggest vote of his career, on healthcare. Then, Coloradans are on a global hunt for pretty plants that can thrive in arid Western gardens. Plus, the head of the Vail Dance Festival lands a new gig: leading the Juilliard School to help prepare young artists.