By Michael Hawthorne, includes “Chicago, the last big American city to require water pipes made of brain-damaging lead, is now the last one beginning to rip toxic pipes out of the ground. … Former city officials — up to and including Mayor Rahm Emanuel — also denied for years that anyone could be harmed just by drawing a glass of water from their household faucet. … Like other cities that already are replacing lead service lines, Chicago will rely on federal grants and low-interest loans to finance its work.”