Letterman clip - [MEDIA=youtube]WPfA06NnBUo[/MEDIA]
http://www.google.com/hostednews/ap/article/ALeqM5hz-vH6PI3bg1rJNVs11Q7lnMFq3wD97SA74O1 Older people, families with small children and people with compromised immune systems (like me, I have Lupus), should be especially careful. Otherwise, carry on.