Sen. Jim DeMint (R-S.C.) served notice Friday that he intends to play a major role in deciding who emerges from a sizable pack of GOP Senate contenders in Texas. In an e-mail to supporters of his Senate Conservatives Fund (SCF), DeMint talked up two rumored candidates to replace Sen. Kay Bailey Hutchison (R-Texas), who announced Thursday she will not be seeking reelection in 2012. Both of the candidates are supported by the Tea Party grassroots movement. His e-mail notably talked down state Lt. Gov. David Dewhurst, who is seen by some political observers in the state as the Republican front-runner,...