Comedian Tommy Chong,76, speaks during the annual Hash Bash on the Diag on the University of Michigan campus in Ann Arbor, MI on April 4, 2015. "All pot use is medical," said Chong. (Photo by Mark Bialek)
Anti-war activist Tom Hayden of Los Angeles speaks on the University of Michigan Diag before a Teach-In + 50, marking the 50th anniversary of the start of campus protests against the Vietnam War.
Jennifer Eberbach walks out of her utility shed next to her country home in Stockbridge, MI. (Photo by Mark Bialek)