[thejournal.ie] , McKenna, Aaron Column: It’s time to tax and regulate marijuana sale in Ireland. (10 Aug 2013)

[thejournal.ie] , McKenna, Aaron Opinion: Marijuana is legal is nearly half of US States – Ireland should follow suit. (08 Nov 2014)

[thejournal.ie] , McKenna, Aaron Aaron McKenna: To hell with the NIMBYs, injection centres are a great idea. (07 Nov 2015)