Why you guys assume ethnic groups can't change voting habits is bizarre. Literally every single group in America besides the jews has oscillated from one party to the other.
Democrats far left plunge on fringe social issues is not going to sit well with hispanics eventually.
The immigration policy of Trump as of right now is not going to sit well Hispanics for the next decade or so.
I could see them shifting right down the line similar to how third wave immigrants assimilated as the New Deal era ended and the Reagan Coalition was born but we're still a bit away from that happening.
