I agree on over-incarceration the most. Police brutality needs to be backed up by numbers, not just a video or two every year that gets shown 1 million times on all media.
Most of those "refugees" are simply economic migrants. I don't blame them at all, but there's a point at which we need to have laws to see who/how people can get into this country to become a part of our society. Doing nothing and basically letting anybody who can walk here get in is NOT the answer.