***UPDATE*** The Denver Post reports that authorities will hold a press conference tomorrow to discuss the disruption of a possible Obama assassination plot:
Federal authorities have scheduled a press conference for Tuesday afternoon amid reports that a fortunate traffic stop by Aurora Police may have disrupted an assassination attempt against Barack Obama.
The Rocky Mountain News reports that police in Colorado are investigating a possible plot to assassinate Barack Obama:
Law enforcement authorities have arrested two men, and several law enforcement sources say the investigation is looking into whether the men intended to harm presidential candidate Sen. Barack Obama.
According to multiple sources, Aurora police made a routine traffic stop Sunday morning at 2:38 a.m. The Secret Service says two rifles were found in the car along with methamphetamine. Another law enforcement source says he was told at least one of the rifles was a "sniper rifle."
A second source told CBS4 Investigator Brian Maass authorities told officers they are concerned they may have come upon a possible "assassination plot."
http://www.huffingtonpost.com/2008/08/25/obama-assassination-plot_n_121293.html