Does or does not this president use his security force to remove protesters from public appearances under threat of arrest while leaving supporters in place?
A simple yes or no will do.
No, that would be John Kerry who uses goons to disrupt those who oppose him. There is no evidence in this baseless and mindless article, nor from anything else that I've read, to support your contention. There is a certain amount of area where no one is allowed, pro- or anti-Bush.
But, something your side must deal with in some manner, is the vile and often illegal threats you make on your little signs and your stupid little chants. It is illegal to advocate the killing of a president or any other federal official. But, given John Kerry's involvement in such discussions, and his failure to inform federal authorities of a credible threat against six sitting senators that members of his organization (VVAW) made in November 1971, you all don't care about the law as long as its your side making the threats.
Maybe if your side weren't such bloodthirsty, vile, descipable, and treasonous vermin, then maybe you could be trusted to be in the presence of a president. But until you reach such a level of civility you'll have to be kept at a safe distance.