In france, we had aloso bicameralism, and it"s a bullsh**t (for FRANCE, i mean), because the high assembly has NO real power. It just can make slow the votes of laws.
And it cost a lot !
greenforest, i have not very well understand (my english is quite awful
) : oregon and washington have bring out the FPTP ?
The solution would maybe to concentrate all alternatives forces for electoral change on an only state (the more important, if possible) ?
what about the elections at county level ? Do you have a politician elected for each county or only for each municipality ?
If an against-FPTP win a county (or a municipality), maybe a domino process could be start