Republican presidential candidate Sen. John McCain, center, points to a reporter during a news conference while on a campaign stop at the Liberty Science Center in Jersey City, N.J. , Friday, May 9. 2008. With McCain are former New Jersey Gov. Thomas Kean, left, and Sen. Joseph Lieberman, I-Conn. AP Photo logo AP Photo 18 months ago

Republican presidential candidate Sen. John McCain, center, points to a reporter during a news conference while on a campaign stop at the Liberty Science Center in Jersey City, N.J. , Friday, May 9. 2008. With McCain are former New Jersey Gov. Thomas Kean, left, and Sen. Joseph Lieberman, I-Conn.