With all due respect, this is a software discussion forum. There is a time and a place for displaying your political opinions. This is not it.
Liberals tend to believe their views are "normal," so asking for anything else is asking for a favor. He won't change. So, i just mod down his posts when i come across them, as i would anyone with a political opinion where it does not belong. Quite a few monks have outspoken political views, but it is rare that they make it part of their signature.
Other than that, he's a pretty cool monk.