A worker pauses for a coffee break next to rush hour traffic piling onto the Major Deegan Expressway in Mott Haven. Ani Freedman The South Bronx has suffered through decades of air pollution and high asthma rates‭. ‬Locals‭, ‬activists‭, ‬and scientists are fed up‭.‬ Ani Freedman Maritza Franklin talks about the South Bronx like she…