Officials in Baltimore were preparing on Monday to open a temporary alternate channel around wreckage from the collapsed Francis Scott Key Bridge for “commercially essential vessels.” The bridge‚ a critical link to the Port of Baltimore‚ collapsed on March 26 after it was hit by a giant cargo ship. Wreckage has been blocking a vital shipping lane into the port ever since. The temporary channel was announced late Sunday by the state and federal agencies leading the response to the disaster...