Obama Coming Back To Vegas For His Tiger Woods Moment

President Obama is coming back to Las Vegas for another late night, Tiger Woods moment, romp.
From the LVRJ: President Barack Obama will have a rally Wednesday might in Las Vegas as part is a battleground tour across the country, his campaign announced Saturday....
On Wednesday, Obama will kick off a two-day campaign blitz across six battleground states, his campaign said.
After leaving Iowa, Obama will stop in Denver then attend a "late-night grassroots event" in Las Vegas, his campaign said.  http://www.lvrj.com/news/obama-to-visit-las-vegas-on-wednesday-175076801.html
I am willing to bet that after Obama leaves office, it will come out that the reason why Obama spends so many nights in Las Vegas, away from Michelle and the kids, is because Obama is having Tiger Woods moments.
Just speculation, but other than the White House and maybe Camp David, what other city has hosted Obama at night or had evening appearences more than Las Vegas?