"We apologize for this unfortunate situation and hope to work with people who bought tickets to the Experience thinking they were for the Obama event  As it developed though, we had no control over the change in days the tickets to the American Presidential Experience were available."

-- James Warlick, executive producer of the American Presidential Experience, a traveling exhibit of White House memorabilia, on the mix-up that occurred when people mistakenly purchased tickets to see it on Aug. 28 in Denver thinking they were buying tickets to Obama's acceptance speech.