Authority itself would be illegal, and replaced by respect.
My congress would be a huge team of humanistic and positive psychologists.
All the money used on war machines would be used to build free housing for everyone on earth.
Fast food would be gone, and the money from those companies would be used to supply everyone with a robotically operated vegetable garden/farm which was self sufficient.....somehow.
Drugs of all types would be legal, but would have to be recreated to have no negative health impacts.
People would be given free healthcare and be required to see a counselor once a week
Education and the "prison" system would be completely based on positive reinforcement, and run by psychologists specialized in teaching people to learn and think differently.
School aged children would all learn the basic psychology and logic of communication, the subconscious, forgiveness, and acceptance of others, and would do hands on activities in accepting peers unconditionally.
Its all about psychology. A psychologist run "anything" would engage the interests of the pupils while teaching them, and it would be fun and efficient for everyone.
Children would have a legal set of rights as a subset to human rights, such as the right to healthy emotional development, or the right to be themselves
Parents would be required to take parenting classes if they were to have children.