Levine Podcast--How Do Writers Know What's Funny?

Veteran comedy writer Ken Levine, who has written for shows like Mash, Frasier, and Cheers, talks about how writers can get a feel of what audiences will think is funny.  You can catch that on his weekly podcast by clicking here. 
Levine, perhaps TV's best comedy writer, has had a new blog post every day for the last 12 or 13 years.  His weekly podcast, started a little over a year ago.