period. then you look at that excessive heat warning in the desert southwest. the watch that stretches up to spokane and northern idaho. air quality alerts. and a really strong temperature gradient, david, that's going to keep those winds really gusty for some of those fires. >> nearly the whole country broiling tonight. ginger, thank you. next, to that alleged assassination attempt by drone broadcast on live tv. and tonight, major new developments from venezuela. authorities there say they have detained at least a half dozen suspects. the president of venezuela speaking at a military rally over the weekend when an explosion erupts. his bodyguards rushing in there to protect him. troops suddenly rushing away, then the tv signal suddenly cuts out. and tonight, the president there retweeting this video suggesting it was the drone that suspects used to try to kill him. but there are major questions about whether this was one of those drones. abc's matt gutman, who has reported here on the crashing economy in venezuela, the desperation there, he's back tonight with what the u.s. is now saying about the dangers of drones and assassination attempts.