But at an event at the White House with past and present American Olympians, the president made clear his support for Chicago's bid is strong.

VOA: standard.2009.09.16

"She's not lying. I think I've eaten lunch once in the past week, and we literally run from one event to another, across traffic and through crowds and crowds, but it's very important that we make a good impression so we try to get there on time, and that sometimes involves running."

VOA: standard.2010.02.26