Agence France-Presse: Mexico's government announced Tuesday measures to reduce smog in the capital by preventing corruption at emission inspection centers that have allowed polluting cars to stay on the road. The environment ministry unveiled the new rules three months after authorities issued the first air quality alert in 13 years in the greater Mexico City area. Normally, cars that pass emissions tests are allowed to drive every day while those that fail have to stay off the streets at least once a week. But corruption...