Former Vice President Joe Biden and Sen. Bernie Sanders sparred one-on-one Sunday in a Democratic debate held without a live audience in the shadow of the coronavirus outbreak. The growing crisis prompted some questionable statements from the presidential rivals, as did issues they argued about for months on once-crowded stages.A look at how some of their claims compare with the facts:SANDERS: “We’re the only major country on earth not to guarantee health (care for) all people. We’re spending so much money and yet we are not even prepared for this pandemic.”BIDEN: “It has nothing to do with ‘Medicare for All’ — that wouldn’t solve the problem at all.”THE FACTS: Biden has a point. The coronavirus pandemic has taken countries by surprise regardless of the type of health care system that they have. Spain has a single-payer system, known as “social security” in that country. Italy guarantees coverage for all through