Most of them are.
But one of my tenants was part of a committee that went to Eddie Bernice Johnsons office about this and met with her Legislative Asst. She told the group that they were getting lots of calls on this and the calls were 3 to 1 against amnesty and a guest worker program.
Most politicians dont like going against those kinds of pissed off voters. Dean is enough of an opportunist to at least give them some verbal cover so Democrats in tight races can vote against the Bush/Kennedy/McCain/Hillary forces. The RNC doesnt have that luxury.