rand paul should stay off the pot and other drugs he's promoting...
he may have been killed off what little brain cells he ever had...
pretti had pulled the protester in brown away from the agent. he sees the agent going after the protester in the light colored coat, and rams the agent to stop him.
pretti hits the agent with his arm hard enough that the agent loses his balance - watch the legs and body 
the agent starts to defend himself by pulling out tear gas 
pretti keeps his right arm cocked ready to strike before protester in brown grabs his arm 
