Constitutional conservatives have known for some time that the Washington Post’s “conservative” Jennifer Rubin is a Beltway progressive. Over the past week, she has offered some of the most concrete proof to date supporting that argument. It is past time for the Post to end the charade. Just last week Rubin came out against tax cuts, supported a judge striking down Texas’ bid to end sanctuary cities, attacked small-government conservatives in the wake of Harvey, and much more. It’s almost as if the Post has hired a former left coast attorney to act as a conservative to undermine conservative principles....