Someone had to pay to bus in the rioters, give them directions and direct them to assault the Trump event.
This well-coordinated and a masterful piece of political theater.
They knew what they were doing.
Were there ads on Craigslist? Maybe at the local college campus? Posted on utility poles (”activist jobs”) with tear-tabs listing the phone number and e-mail address to contact?
"They" is George Soros.