Welcome to the Vidcasts...
Below is the latest "What DL is Happening?" Vidcast and links to aclJohn's YouTube Channel where archived clips can be watched.
Go to http://www.youtube.com/user/acljohn#g/c/B01B01A2EA00A6D8 to view other WDLIH? Vidcasts.
Note: the blog that many of these vidcasts are based upon can be found at http://acljohn.posterous.com/.