 Now, in the governor's race, Democrat Stein has been running biting attack ads against Robinson. Not clear if he might stop those for now, but the White House is pulling negative ads against Donald Trump, at least for a few days. Jeff? Thank you, Mark. Live in the newsroom this morning, multiple law enforcement agencies are investigating the assassination attempt. The FBI is the lead agency. They're looking into the shooter's background, if vital security measures were taken, and whether this could have been prevented.