One of the consequences of the recession that you don’t hear a lot about is the record number of children descending into poverty. Those children would be the largest American generation to be raised in hard times since the Great Depression. It’s hard to watch Scott Pelley’s “60 Minutes” report on homeless kids without being moved. It was even harder, as Pelley and his producer explain, to stay composed as they reported this story. And there are many more children in the world who live in even worse conditions.