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CBC News In Depth: Science: Why are so many U.S. presidents southpaws?
Continue to the storyIs it just coincidence or is there something more sinister in the fact that four of the last six American presidents have been left-handed? Bill Clinton, Gerald Ford, Ronald Reagan and George Bush Sr. all used their left hands for everything from brushing their teeth to signing their names and, on occasion, shaking hands. As it turns out, the two front-runners for their respective parties' presidential nominations today, Barack Obama and John McCain, are lefties as well.