The news is full of innovation this week. Varsity Tutors is offering free college prep, prompted by the college admissions scandal. Michael talks with founder and CEO Chuck Cohn. Startups are competing in a "Manure Challenge." One of them, Dan Stracklin, and The Yield Lab's Thad Simons, explain. Alex Degman talks with Jason Deem of coworking space Nebula about a new competitor.