GRAND ISLE, Louisiana – Intent on showing firm command of a deepening Gulf Coast crisis, President Barack Obama inspected a fouled beach, took in what he called “heartbreaking stories” of the catastrophe and declared “we’re going to keep at it” until the largest United States oil spill is stopped and cleaned up.Meanwhile, BP kept pumping heavy mud into its blown-out well beneath the Gulf of Mexico, but the company’s chief executive cautioned it would be two more days before anyone knew if the latest attempt would end the uncontrolled flow of crude. (AP)
