Our representatives (no scare quotes needed) in the House came rather close to voting for a meat ax curtailment of the NSA the very first post-Snowden chance they got, and most importantly the vote didn't break on any of the usual lines like party or region.

I'd say it's way too soon to count out the normal political process, and there's recent history of the Congress doing the right thing: http://en.wikipedia.org/wiki/Church_Committee