His bus tour got slammed by saying Pres. Obama is already campaigning for his 2012 general election, so did the $1.1 million bus that was used on his tour. Fact is CIA brought two such buses, one for Pres. Obama and another for the presumptive Republican nominee.
If you consider the number of vacations previous presidents spent on, you find out that Ronald Reagan spent nearly one year of his eight years in office on vacation. George W. Bush spent more time out of Washington than any president since Reagan.
White House, understandably, did not heavily blast the Republicans on this. "There's no such thing as a presidential vacation," White House press secretary Jay Carney said in a briefing last week. "The presidency travels with you. He will be in constant communication and get regular briefings from his national security team, as well as his economic team, and he will, of course, be fully capable, if necessary, of traveling back if that were required."