A sold-out TEDxGrinnell conference featuring notable Grinnell College alumni will be available for public online streaming 1-5 p.m. Saturday. Among the presenters at the conference, which has taken “Speak Out!” as its theme, will be 2012 graduate Wadzi Motsi, an analyst at Clinton Health Access Initiative in Zimbabwe; Joshua Tepfer, a 1997 graduate who is assistant clinical professor at Northwestern University School of Law and co-director of the Center on Wrongful Convictions of Youth; and 1999 graduate April Dobbins, a filmmaker and recipient of the S.J. Weiler Fund Award. Read more