No, you only have the right to defend yourself from unlawful actions. You don't have the right to "defend" yourself from the policy performing lawful actions to detain or remove law breakers like these protestors.
They are not lawbreakers, the city said they could come back after they used the plaza for a private wedding, the mayor gave the cops the nod and they beat the shit out of returning campers, fracturing a returned marines skull.
Even the mayor has backed down now and let the protesters camp.
You premise is flawed, -and quite unamerican.
Now the camps are literally 3x the size. Bad cops and conservatives gotta be the stupidest self-defeating morons in the world. Funny how fascists stick together.
On that note the local police are now bringing supplies to camps to show solidarity with the large influx of fresh camping vets that are joining daily now.
When will you reactionary types ever learn that being assholes will do nothing but unite everyone against you not in your little insular media clique?