Mark was interviewed by Newsweek regarding Hollywood actor Depp lawsuit against his ex-wife Heard, 35, for $50 million alleging that she defamed him in an opinion piece in The Washington Post in December 2018. 

Mark explained the differences between U.K. and U.S law regarding defamation actions.

In the U.S.A., public figures like Depp and Heard have to prove actual malice to prevail. This is derived from the 1st Amendment rights we have as Americans in the U.S.A., and 1st Amendment does not exist in the U.K. Read entire article.