Weekend Roundup

A number of states are reopening -- while others remain closed for businesses.In political news, Democratic Presidential Candidate Joe Biden faces new sex assault allegations.Meanwhile, President Trump is blaming China for the spread of the coronavirus, as he trails behind Biden in the polls.Plus -- could specially trained dogs become front line screeners for the coronavirus? Correspondent Allison Keyes will have these stories and more in a special edition of the CBS News Weekend Roundup: Coronavirus.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.