Back at the end of March, when the coronavirus was first surging in the United States, polls showed Americans felt similarly about both likely presidential candidates' abilities to handle the pandemic. Three months later, that's changed, a new survey released from The Washington Post and ABC News finds.The poll, released Sunday, shows the presumptive Democratic nominee, former Vice President Joe Biden, holding a 20-point advantage over President Trump when it comes to which candidate voters trust more to deal with the pandemic. In March, the two were all but even, with Trump actually holding onto a slight advantage. The president is still seen as the better bet to manage the economy effectively, although his margin is shrinking there, as well.> NEW: Big swing in who Americans trust to handle the coronavirus:> > Biden now leads Trump by *20 points* 54-34 > —Was 45-43 in late Marchhttps://t.co/UIeuMIJbG9 pic.twitter.com/RhwD7ACLnv> > — Will Steakin (@wsteaks) Ju...