Quote from piezoe:
In my opinion, the Republican Tea Party Faction is still too weak politically to be able, in the final analysis, to control the Party. Both political parties are pulled between the interests of their donors and the electorate. The Tea Party has relatively weak corporate support, so far as I can tell. As a politician you need your party and you want to go along with party politics so far as you possibly can, but it seems that some Senate Republicans, while not saying this, are thinking I can't go along with this anymore, my political career is at stake. The reason the vote is so powerful in politics is it determines who has a job and who doesn't. The reason corporate interests are so powerful in politics is that corporate money and influence controls the popular media, and the popular media is critical in the formation of political consensus, and hence the votes.
The internet may be changing this dynamic , but that remains to be seen.
You might ask Dick Lugar which he needed more. Corp money or tea party votes.