WASHINGTON (AP) -- Al-Qaida supporters suggested in a Web site message this week they would welcome a pre-election terror attack on the U.S. as a way to usher in a McCain presidency. The message, posted Monday on the password-protected al-Hesbah Web site, said if al-Qaida wants to exhaust the United States militarily and economically, "impetuous" Republican presidential candidate Sen. John McCain is the better choice because he is more likely to continue the wars in Iraq and Afghanistan. "This requires presence of an impetuous American leader such as McCain, who pledged to continue the war till the last American soldier,"...