DUBAI, United Arab Emirates (AP) — An Indian teacher and activist known for creating hundreds of learning centers and painting educational murals across the walls of slums won the $1 million Global Teacher Prize on Thursday. Rouble Nagi accepted the award at the World Governments Summit in Dubai in the United Arab Emirates, an annual event that draws leaders from across the globe. Her Rouble Nagi Art Foundation has established more than 800 learning centers across India. They aim to have