The real way to stop this (and for the life of me I don’t know why Trump hasn’t done it yet) is to start rounding-up all of the university faculty that provides organizing and material support for ANTIFA.
Start throwing the field lieutenants in jail and the shock-troop kiddies will lose their taste for this fight.
POTUS has a case for closing federal government operations in the state of Oregon now. I’m sure the unions won’t object to that.
The ones who are being grabbed in Portland are the seditious conspirators, which is why the mayor, the governor and Pelosi are excreting bricks over it.