The Quote: "What the Republican senators seem to be asserting, or deferring to, is not the power of the Presidency or of the legislature but of a body that is not one of the three branches at all: the Republican Party." From Who’s Afraid of Merrick Garland? by Amy Davidson in the New Yorker.
A close second from the same source: "The G.O.P.’s Garland game plan ... illustrates a truth about the G.O.P. today: it is increasingly hard to tell the difference between usurpation and abdication—between extremism and cowardice."
In a related post, AZBlueMeanie reveals the extent of the Republicans' judicial activism.