And in just a couple of lines he manages to entirely blow his own argument.

FORBES: Will Robots Take Our Jobs? Who cares?

To persuade those who do not accept the libertarian argument for legalisation, supporters have emphasised two other lines of reasoning.

ECONOMIST: A battle about hypocrisy, money and Mexican cartels

Americans have a strong impulse for course corrections and a sense that their greatness could be lost, but let's say for argument's sake that the U.S. is a declining superpower along the lines of postwar Britain.

FORBES

He tells Zimmerman he has received an anonymous phone call "from somebody who gave a different version of events ... more along the lines that you tried to detain him, " and recounting an argument prior to the shooting.

CNN: George Zimmerman: Trayvon Martin threatened my life