A big 3 bankruptcy will be bad for auto workers, since the bankruptcy judge will rewrite their contracts. Since they currently get way above market rate, the judge will probably give them a pay cut, and authorize the layoff of many (1).

Take a look at which politicians support the bailout. Then take a look at which politicians get UAW money:

http://www.opensecrets.org/orgs/summary.php?id=D000000070

Coincidence?

(1) Due to union contracts, the big3 are unable to lay off workers as a normal company would do.