Hacker News on 28 April 2014

• Follow up to the investigation results
• SSH Kung Fu
• The latest chapter for the self-driving car: mastering city street driving
• What Killed My Sister?
• Skype group video calling becomes free
• Parsing English with 500 lines of Python (2013)
• What Unsustainable Growth Looks Like: Herbalife, Groupon, and More
• Leaving Go
• Male Scent May Compromise Biomedical Research
• The Internet Is Being Protected By Two Guys Named Steve