What's Happening?! (8/7)

Gary and Shannon search the web for the top trending stories of the day. Here is "What's Happening?!" for Monday, August 7th:

• 3 victims identified after firefighting helicopters collide midair in Riverside County
• William Friedkin, ‘The Exorcist’ Director, Dies at 87
• Thousands of L.A. city workers to strike Tuesday
• L.A. Metro reveals new subway cars
• How Tropical Storm Eugene is expected to impact Southern California