The U.S. Department of Justice asked Ferguson Police Chief Thomas Jackson on Friday to prohibit police officers from wearing “I am Darren Wilson” bracelets while on duty in Ferguson. Christy Lopez, a deputy chief in the Civil Rights Division, told Jackson in a letter that residents had photos of officers, from unknown local agencies, wearing the bracelets. “We are keenly aware of the importance of individual expression of opinions, even those that some find offensive, insensitive, or harmful,” Lopez said in the letter. However, she continued, “these bracelets reinforce the very ‘us versus them’ mentality that many residents of Ferguson...