Debate questions: Biden, Sanders are finally to meet 1-on-1

BILL BARROW Associated Press And then there were two. Joe Biden and Bernie Sanders are set to meet Sunday night in their first one-to-one presidential primary debate after months of Democratic free-for-alls that presaged a dramatic culling of the field since the opening round of the 2020 race. Some key questions to look for about the debate, which takes place before the next round of primaries on Tuesday, when 577 delegates are at stake in Arizona, Florida, Illinois and Ohio. A NEW OPENING, BUT FOR WHICH CANDIDATE? The coronavirus outbreak has overturned American life, but it is unclear whether the unfolding crisis changes a race that Biden controls with more than half the delegates already awarded. Both candidates have used the COVID-19 pandemic as a hook to try to justify their m