One reason the TP has declined in approval, effectiveness is because they have a difficult time convincing enough voters about their focused singleness of purpose.
IOW one day it is replace democrats, but the next it becomes replace Republicans, and voters have awakened.
The Tea Party movement, through their professional business units (TP Express, TP Patriots, etc.) need to settle on a smaller list of state and district targets, and do some good.
Because repeats of Angle, Buck, Akins, Mourdock, O'Donnell will line the pockets of the top guys and gals, but cost the nation dearly.
TP, mainstream and libertarian Republicans and independents need to be united, ensure winning the Senate and increasing their House majority.
Putting that goal in jeopardy, in order to listen to some fiery speeches, is not wise to say it gently.