The ex-husband of former first lady Jill Biden has been charged with first-degree murder after the death of his wife. William Stevenson, 77, was indicted on Monday by a grand jury in New Castle County, Delaware, in connection with the death of 64-year-old Linda Stevenson last year. […] New Castle County Police said Stevenson was taken into custody at the home in Oak Hill without incident on Monday afternoon. He has since been arraigned and sent to the Howard Young Correction Institution in Wilmington, where he has been unable to pay a $500,000 (£365,207) cash bail. …