Biden's 'devastating' fundraising haul a loud warning for once-unrivaled front-runner

First, he lost his clear lead in the polls over the rest of the record-setting field of Democratic presidential contenders. Now, former Vice President Joe Biden’s been eclipsed by three of his rivals for their party’s 2020 nomination in the crucial race for campaign cash. And Democratic strategists say the lackluster fundraising figures are a clear warning sign for Biden as he battles to be his party's 2020 standard-bearer.