Where Are the Drones That Could Be Saving Puerto Rico?

With the crisis in Puerto Rico unfolding--and expanding--daily in the wake of Hurricane Maria, the scale of the devastation is coming into horrifying focus. It's not just that the American territory has been, by many accounts, "destroyed." It's that crucial relief supplies aren't reaching the island. "We are dying here," San Juan Mayor Carmen Yulín Crus said Friday. Getting food, water, and medicine to and throughout Puerto Rico is a "logistical nightmare," former FEMA boss Michael Brown told CNBC.