Communities across the country have been debating - and raising - the minimum wage workers can be paid. The federal government requires employers to pay at least $7.25 an hour. Some states and cities mandate more. Here in Washington, D.C., July marks one year since the nation's capital city raised its minimum wage from $8.25 an hour to $9.50. Janet Weinstein went to find out what the impact is one year on for VOA.