Protesters blocked traffic. One woman hoisted a “No justice, no peace” sign. And a line of police officers watched in silence. It was a familiar scene Sunday night. But this was not about the fatal police shooting in Ferguson. This was about the death of Zemir Begic, a 32-year-old Bosnian-American man who police said was fatally beaten by four juveniles armed with hammers early Sunday morning as he climbed into his car. Now, not far from where Begic died, a crowd of at least 150 people in a neighborhood known as “Little Bosnia” poured into the street. “We’re going to...