Ben Kamisar 07/29/16 10:12 AM EDT
The pollster noted that incumbents like Blunt who poll under 50 percent are considered vulnerable.
Tim Devaney 07/29/16 09:26 AM EDT
The blitz will include 35 events across 13 cities this weekend.
A single point separates Clinton and Trump.
"I don't have a sense of humor about what Russia is up to," he said.
"It's just breathtaking."
Chief strategist Sean Spicer says Clinton copied Alexis de Tocqueville.
President is ace in the hole for Clinton that Trump sorely lacks
"Nothing would make me happier," Trump says.
He hit Clinton repeatedly for being soft on terror.