37,313 Killed In Traffic In 2008

Tobacco companies killed approx. 443,000 people in the United States in 2008.
37,313 people were killed and countless more injured in traffic accidents in 2008 in the United States.
There were 14,180 people murdered in the United States in 2008.
565,650 Americans died of cancer in 2008.
Compare that to the threat of terror attacks. The terror threat is the only thing on the news.
Why is that?