"Tea party" groups are planning a large rally on Sunday in Arizona, near the Mexican border, to support both the state's hard-line stance on illegal immigration and the political campaign of the local talk show host who is challenging Sen. John McCain (R-Ariz.). Candidate J.D. Hayworth, a former congressman turned conservative radio commentator, is one of dozens of scheduled speakers for the morning rally on a remote ranch about 100 miles south of Tucson. Others include Sharron Angle, the Republican challenging Senate Majority Leader Harry M. Reid (D-Nev.), and Sue Krentz, the wife of a rancher killed near the rally...