"Little Miss Flint" Mari Copeny, 8, poses during an event at Northwestern High School in Flint, Michigan, May 4, 2016, where US President Barack Obama met with locals for a neighborhood roundtable on the drinking water crisis.
Copeny wrote to the president before she traveling 12 hours by bus with more than 200 Flint residents to a congressional hearing on the city's water crisis. / AFP / Jim Watson        (Photo credit should read JIM WATSON/AFP/Getty Images)