(Wilmington, DE) — Presumptive Democratic presidential nominee Joe Biden is calling for a nationwide mask mandate. After getting a briefing from some healthcare professionals in Wilmington, Delaware, Biden said all Americans should be wearing facemasks outside their homes for the next three months.He did not give any details on enforcement, legality or science. The former VP stressed – without citing any evidence–that it will save up to 40-thousand lives. Biden said it’s not an issue of personal rights. He insisted that it’s about personal responsibility and patriotic duty. Biden’s new running mate Kamala Harris said — “That’s what real leadership looks like.” They spoke for a total of about 8 minutes and refused to take questions.