In today's Washington Post we have a piece on left-handed presidents. The next president will be left-handed, since Barack Obama and John McCain are both southpaws. Since 1945, 5 of 12 presidents have been left-handed: Truman, Ford, Reagan, Bush I, and Clinton. Since only 10 percent of the general population is left-handed, we wrote about whether there's something about the brains of left-handers that qualifies them for leadership. The answer is maybe - and in a way that may help explain Barack Obama's gift for language.
I posted a previous op-ed from the New York Times here on DailyKos, giving literature support for key scientific points. That piece was based on our book, Welcome To Your Brain. In this case the published article was condensed, partly to accommodate a picture of Ned Flanders's Leftorium. And now, a more detailed version...