You could not be more wrong.
When the GOP became aware of sexually explicit IM messages, they cashiered Foley immediately.
That was the right thing to do.
When the Democrat operatives became aware of sexually explicit IM messages, they sat on them for months looking to profit from Foley's crime.
That was the wrong thing to do.
The GOP leadership didn't do anything wrong - they acted swiftly and correctly.
It's not a relative question.