The high profile killings of two teenage boys have occupied headlines this week.
First, there was the Trayvon Martin case in Florida. Now, in Milwaukee, the killer of Darius Simmons has been on trial.
In both cases, the victim was a young black male, unarmed and confronted by a white man upset about crime.
About a dozen young people are pulling up vegetables in the sweltering heat in Milwaukee's central city. It’s harvest time at Alice’s Garden – a garden the neighborhood shares.