Roughly 120,000 Japanese immigrants and Japanese-Americans were sent to desolate camps that dotted the West because the government claimed they might plot against the U.S. Thousands were elderly, disabled, children or infants too young to know the meaning of treason. Two-thirds were citizens. And now, as survivors commemorate the 75th anniversary of the executive order that authorized their incarceration, they’re also speaking out to make sure that what happened to them doesn’t happen to Muslims, Latinos or other groups.