Former House Majority Leader Tom DeLay (R-Texas) is calling on the Justice Department either to drop its investigation of his wife and former political associates or else to bring charges quickly. DeLay said he has given the FBI documents exonerating his wife, but an associate of the former lawmaker said that agents have followed up with a fresh round of subpoenas. The inquiry appears to be focused on determining whether DeLay’s wife, Christine, earned her pay from two organizations controlled by Ed Buckham, a lobbyist once closely affiliated with the former Republican leader, according to sources interviewed by federal investigators....