Bill Cosby and his former lawyer were ordered on Monday to give sworn depositions in the defamation lawsuit brought by an ex-supermodel who says they falsely called her a liar after she publicly accused the comedian of sexually assaulting her three decades ago.

Republican presidential candidate Jeb Bush's attempt to revive a campaign hit in recent weeks by falling opinion poll numbers and drooping fundraising did little to improve sentiment toward him on social media, signaling even more hardship for the struggling candidate.

Volkswagen used devices to cheat air pollution tests in diesel luxury vehicles, U.S. environmental regulators said on Monday, in a new blow to the automaker already reeling from similar allegations regarding millions of smaller diesel engines.