They will have SEIU thugs. This will not be your usual yelling grey haired hippy leftists.
Make sure you have video cam and a direct quick line to the police.Defend yourself if physiclly attacked with a weapon. Try to avoid it and sucker your attacker in long enough for the police to take them.
Be ready to video.
Offensive signs, spitting, shouting slurs, etc. will by infiltrators will be the next tactic used by the left to marginalize the moderate Tea Party movement. Tea Party is middle of the road soccer moms small business owners Sunday school teachers and yet the left is intent on discrediting the movement through tactics like this.
That reminds me of the “Pacifists” in Austin TX. My dauther told me “don’t piss them off, the pacifists will throw rocks and bottles at you if you do”
And when we had a group of Freepers at the debates between Gov.candidates in 2002, the union thugs showed up drunk, all arrived together on a bus, matching shirts and hats and signs, and they were all bent on roughing up the ladies in our group.