Children are diagnosed with lead exposure only when their health is already endangered. Wouldn't it be better to prevent that danger instead? That's the goal of a project in the city of St. Louis that tests the homes of pregnant women and removes dangerous lead before babies were born.
That SWAT-team approach can reduce children's exposure to toxic lead, according to a new study.
South Sudan gained independence in 2011, but it has been locked in a bitter conflict with its northern neighbor. Rep. Frank Wolf (R.-Va.) just returned from the area. He talks with host Michel Martin about what some observers are calling a humanitarian crisis, and what the U.S. can do to help.