Mark G. Stewart
Mark G. Stewart

Mark G. Stewart is a civil engineer at the University of Newcastle in Australia and a visiting fellow at Cato. He is co-author of Terror, Security, and Money: Balancing the Risks, Benefits, and Costs of Homeland Security.

Politics
April 22 2013 6:39 PMHapless, Disorganized, and IrrationalWhat the Boston bombers had in common with most would-be terrorists.
Politics
Sept. 8 2011 7:12 AMProbability NeglectWhy the government massively overestimates the risks of terrorism.
Politics
Sept. 9 2011 7:13 AM1,667 Times Square-Style Attacks Every YearThat's how many terrorism plots we would have to foil to justify our current spending on homeland security.
Politics
Sept. 7 2011 12:10 PMDoes the United States Spend Too Much on Homeland Security?The government refuses to subject homeland security to a cost-benefit analysis.
  Slate Plus
Slate Plus
Aug. 28 2015 12:31 PM What Happened at Slate This Week? International affairs writer Joshua Keating on what to read to understand the apparently permanent slowdown of the Chinese economy.