USA TODAY Network coverage of the road to Election Day. Tweets by @katiesmithnews & USA TODAY politics staff.
Former President Barack Obama, who is expected to give brief opening remarks, has been emphasizing the need to turn protests into policy.
The poll of 1,166 registered voters shows the nation's most reliably Republican large state could be in danger of falling to the Democrats in November.
Two top Democrats launched a probe into Inspector General Steve Linick's firing and said it was done to shield Pompeo from an internal investigation.
Yang has honed in on a message of the Fourth Industrial Revolution, touted a universal basic income and boasted about his ability to reach disaffected voters.