The Dims have to stop the wall at all costs. They figure it's the only way to separate Trump from his base.
In the mean time, the left has alienated the white working class and they're working on the black population.
And now they're gearing up to screw over the immigrants as well. Trump has completely pulled the rug out from under them.
Come November the left will have run out of people to offend.
Mueller's their last hope.