His writing on politics, arts and culture can be read each week throughout much of the English-speaking world. He is also a popular guest host on America's Number One radio show The Rush Limbaugh Program and on Fox News' popular Hannity & Colmes. His holiday single with Jessica Martin reached Number Seven on Amazon's easy listening chart.

In the United States, his column appears in newspapers from The Washington Times to The Evening Bulletin in Philadelphia, The Orange County Register in California to Black & White in Birmingham, Alabama. In addition, Mark writes for The New Criterion, and serves as National Review's Happy Warrior. In Canada, he is a contributing editor to Maclean's, the Dominion's oldest and biggest-selling news weekly. Mark also appears in The Jerusalem Post, the Middle East's leading English-language daily; The Australian, Australia's national newspaper; Investigate and Hawke's Bay Today in New Zealand; and more occasionally in The Wall Street Journal and (translated into Italian) Il Foglio, but even when he's not in them he thinks they're worth reading, which is why we link to them here. Mark also chips in at The Corner and appears each week on The Hugh Hewitt Radio Show.