Fred Thompson, the politician and actor considering a White House bid, said Friday he favors helping the Iranian people overthrow the government of President Mahmoud Ahmadinejad if the chance arises. The former Tennessee senator accused Tehran of "playing a larger part in killing our soldiers" in neighboring Iraq. Many Iranians don't like their government, "and I think we ought to capitalize on that," Thompson told The Associated Press. "There is a chance they may mobilize themselves, and we need to assist them if that happens." Some public opinion polls show Thompson registering in the double digits even though he hasn't...