From a column by Francisco Enriquez in the Milwaukee Journal Sentinel:A cloud of soot engulfed Milwaukee recently, with particle pollution levels so high that the Department of Natural Resources issued four days of advisories and watches that warned children, older adults and people with asthma, bronchitis and heart or lung disease to pay close attention to their symptoms. On days when air pollution levels are high, more people suffer from more frequent, more severe and more deadly asthma attacks, heart attacks and strokes.As a pediatrician on the near south side of Milwaukee, I am deeply concerned about the effects of breathing polluted air. Some of my patients' medical conditions get much worse when they are exposed to an environment that is loaded with irritants and noxious chemicals. Access...