Is the air really that much thinner in Denver?

Didn't this happen in 2008 as well?

By Keith Coffman

DENVER
Fri Oct 12, 2012 11:18pm EDT

Denver Police Detective Raquel Lopez (click here) said a worker inside the office called police in mid-afternoon to report that a bullet had shattered a window pane.

"Right now, no one is in custody and investigators are looking at surveillance video to see if a vehicle can be identified," Lopez said.

Lopez said it was a single shot and no one inside was physically injured.

Detectives are not aware of any threats made to the campaign, but are exploring all possibilities, she said.

2008

Assassination scare in Denver (click here)

Three men allegedly discussed shooting Barack Obama, then the 2008 Democratic Party presidential nominee, during his acceptance speech on the 2008 Democratic National Convention in Denver, Colorado. Cousins Tharin Gartrell and Shawn Adolf, and their friend Nathan Johnson, allegedly came to Denver specifically to kill Obama,...