Oh I dunno, I subscribe to the Blind Squirrel / Nut Theory. :-)
I think that Republicans have unfettered power in DC is no better than Dems (witness 2000-2006). They both need to act as a brake for each other.
You brought it up...so tell us all: what have the libs been right about since civil rights? What do the libs tell you now that you agree with? Please be specific...