Depends on the union. In CA, the unions are in full battle headfeathers and elbow pads about Arnold messing with CALPERS and threatening to replace it with the equivalent of 401K's.
The Teachers, BART, State Employees, Firefighters, Police, and every other union in CA is against it.
It's a similar initiative to the President's, so . . .
The PR problem with the President's initiative on SS is that everyone remembers how they did managing their own 401K's in the 90's. They left their chestnuts in too long and they got burned.
The administration isn't doing a very good job educating people on why his plan will return a better rate than SS will in the same amount of time, in my opinion.
I maintain he wouldn't have submitted the same list again this year if he didn't have a play set up with the Frist & the Hammer. (Hey, I like that)