Maybe, if someone had taken the time and had the initiative to report this to the proper authorities.

Kevin Greene, a former coworker at the vacuum plant, recalled asking him if he liked the New York Yankees baseball team. “No,” Voong replied. “I don’t like that team. I don’t like America. America sucks.” Another former employee said that Voong “kept to himself but made some off-the-wall comments like he wanted to kill the president”.

Hello! When someone starts talking about shooting the president, pick the phone up and call the cops -- or better yet, call the Secret Service. Don't assume that he is just blowing off steam or expressing some sort of dissent -- report him to the authorities. That is a line you don't let anyone cross -- whether the president in question is named George Bush or Barack Obama. In this case, doing so would have prevented a serious tragedy.

In a related note, Michelle Malkin notes that the anti-gun Left is already at work trying to blame any and all conservatives for the crimes of Jiverly Voong.