At today’s OneMIT Commencement ceremony, Mark Rober — engineer, inventor, and YouTuber — urged MIT’s graduating class to cultivate a sense of optimism and collaboration, and, in our uncertain world, to “pick what you think is the best path and just move forward.” A warm and sunny Killian Court served as the setting for a festive and energetic event, with thousands of graduates in attendance with family, friends, and MIT community members. Rober encouraged graduates to positively impact the world while practicing “optimism combined with dedication” and fostering their relationships…