The clock began ticking late last month for hundreds of Puerto Rican evacuees who rely on federal assistance to pay for hotel rooms.

By Mike Schneider, Alanna Durkin Richer, Associated Press

When low-income Americans are concentrated in substandard homes in struggling or violent neighborhoods, it has tangible consequences for well-being. Research confirms that moving families into less segregated neighborhoods improves overall health, and some communities are giving families vouchers to relocate.

By Sarah Varney, Jason Kane