They just don't say it that way. Instead they call the two parties crony capitalists.
Here is Rasmussen for the Boston Herald:
[S]even out of 10 Americans believe government and big business work together against the rest of us.
In other words, Americans believe crony capitalism is a reality regardless of which party is in the White House. This is the root cause of much of the frustration sweeping the nation today. ...
[T]hey want the government to stop picking winners and losers in the business world.