WASHINGTON – It was a two-day trip to the Midwest to talk about jobs and clean energy. President Barack Obama didn't mention the drama unfolding in the Gulf of Mexico, where oil was gushing from a broken well pipe a mile beneath the sea. The situation hadn't become a priority. Soon it would. On the return to Washington aboard Air Force One, Obama learned the spill had become more worrisome. A third break was discovered at the destroyed well pipe on the ocean floor 40 miles from Louisiana's precious coastal marshes. Federal scientists believed at least 5,000 barrels of oil...