Burden of Proof Published On Wednesday, December 06, 2006 9:17 PM By LOGAN R. URY Contributing Writer At 10:02 a.m., the door to Science Center room 109 creaks opens, and 11 young men shuffle in. Some wear worn baseball caps and faded sweatshirts, others jeans and scuffed loafers. Whispering and rubbing sleep out of their eyes, they slowly settle into their seats, filling only two rows of their long and narrow classroom. Class begins immediately as Professor of Mathematics Dennis Gaitsgory dashes in, dressed haphazardly in a button-down over a gray undershirt, most likely plucked from the same pile as...