Two weeks ago, President Trump told Americans to stay home for 15 days. On Sunday, he extended that guidance for another month, as the U.S. trails behind other countries on per-capita testing. NPR's Allison Aubrey reports on a new test expected this week that promises quicker results.Plus, tips on how to grocery shop safely.Sign up for 'The New Normal' newsletter Find and support your local public radio stationThis episode was recorded and published as part of this podcast's former 'Coronavirus Daily' format.