MANCHESTER, NH - APRIL 25: US Senator John McCain (L) (R-AZ) jokes with reporter Dan Rather on his campaign bus April 25, 2007 in Manchester, New Hampshire. McCain officially announced his bid for the presidency with a campaign rally and kicked off a four-day tour with stops in South Carolina, Iowa, Nevada and Arizona. (Photo by Justin Sullivan/Getty Images)
MANCHESTER, NH - APRIL 25: US Senator John McCain (R-AZ) speaks during a rally April 25, 2007 in Manchester, New Hampshire. McCain officially announced his bid for the presidency with a campaign rally and kicked off a four-day tour with stops in South Carolina, Iowa, Nevada and Arizona. (Photo by Justin Sullivan/Getty Images)
PORTSMOUTH, NH - APRIL 25: U.S. Senator John McCain (L) (R-AZ) greets supporters next to his campaign bus after a rally April 25, 2007 in Portsmouth, New Hampshire. McCain officially announced his bid for the presidency with a campaign rally and kicked off a four-day tour with stops in South Carolina, Iowa, Nevada and Arizona. (Photo by Justin Sullivan/Getty Images)
