Mary Pierce and Shelby Cannon, share which occupation?
Mary Pierce Mary Pierce (born 15 January 1975) is a French retired tennis professional who played on the Women's Tennis Association (WTA) tour. Born in Canada, she is a citizen of Canada, and the United States. Pierce played for France in team competitions and in the Olympics.
Michael F. Cannon Michael F. Cannon is director of health policy studies at the Cato Institute and an outspoken critic of the Affordable Care Act.