Harvard President Lawrence Summers said Wednesday in a statement on the school's Web site that he regretted not considering more carefully his remarks last week suggesting innate differences between the sexes could account for why fewer women succeed in science and math careers. "Despite reports to the contrary, I did not say, nor do I believe, that girls are intellectually less able than boys, or that women lack the ability to succeed at the highest levels of science," Summers said on the Web site. However, he wrote, "I was wrong to have spoken in a way that was an unintended...