Added clean loading screen to dc_rollcall, also hooked Jeff's nominate plot hack into filtering.
Added clean loading screen to dc_rollcall, also hooked Jeff's nominate plot hack into filtering.

JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView