What 'rogue tactics' were reportedly used by the ATF in undercover stings?

What type of "rogue tactics" has the ATF reportedly used in undercover stings?

Guest:

John Diedrich @john_diedrich 
Reporter for the Milwaukee Journal Sentinel.

Read articles co-written by Diedrich on tactics used by the bureau in sting operations across the country, and one particular unsuccessful sting operation in Milwaukee.

Leaked UN document: US at odds with other nations over global "war on drugs"

Guest:

Ethan Nadelmann @EthanNadelmann
Executive director of the Drug Policy Alliance.

Kasia Malinowska-Sempruch
Director of the Open Society Global Drug Policy Program (@OpenSociety)

Read more about the UN document, via The Guardian.

Should websites be held responsible for comments posted by users?

Internet companies are criticizing a federal judge's decision to allow a defamation lawsuit against the gossip website The Dirty (via USA Today). 

Guests: 

David Gingras, the attorney for The Dirty's founder and contributing editor, Nik Richie (@NikRichie).

Mary Anne Franks @MA_Franks
Associate professor of law at the University of Miami School of Law. 

Will self-driving cars be a game-changer?

Guests:

Dr. Kara Kockelman
Engineering professor at the University of Texas, Austin.

Todd Lassa @AM_Lassa
Executive editor of Automobile Magazine.

Read a report, co-written by Kockelman, on the potential of self-driving cars. 

Will ancient human DNA from a 400,000-year-old fossil change our understanding of our origins?

Guest:

Dr. John Hawks @JohnHawks
Associate professor of anthropology at University of Wisconsin-Madison.

Read more about the DNA discovery, via The New York Times.