Twenty years after Vince Vaughn played a Washington, D.C., divorce lawyer with a penchant for sneaking into other people's parties in Wedding Crashers, the actor returned to the nation's capital and showed up somewhere his presence was quite welcome.

Joe Biden has used his first speech since leaving office to criticise the Trump administration's welfare policies. The ex-US president told a conference in Chicago that the government had "taken a hatchet" to Social Security,