Good morning. 
Sunday in Whitewater will see rain with a high of forty-four. Sunrise is 6:39 AM and sunset 7:18 PM, for 12h 39m 20s of daytime. The moon is a waxing crescent with 22.4% of its visible disk illuminated.
Today is the one thousand two hundred thirty-seventh day.
On this day in 1865, the Appomattox Campaign begins.
Recommended for reading in full —
Ben Berwick, John Langford, Erica Newland, and Kristy Parker write Trump Can’t Reopen the Country Over State Objections:
In 2007, researchers published findings in the scientific journal PNAS showing how local governments mitigated outbreaks of the 1918 flu pandemic by aggressively limiting public gatherings. Cities such as San Francisco and St. Louis, which introduced restrictions early in one of the “waves” of the disease, fared much better than Philadelphia, which held a World War I victory parade that attracted tens of thousands of people to its famous Broad Street. Philadelphia was soon hit hard by the flu, while San Francisco and St. Louis were relatively spared.
“When multiple interventions were introduced early, they were very effective in 1918,” one of the researchers, Richard Hatchett, told the New York Times. “And that certainly offers hope that they would be similarly useful in an epidemic today if we didn’t have an effective vaccine.”
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What happens if Trump tries to order or coerce states to relax their restrictions and put their residents at risk? Earlier this week in Lawfare, Robert Chesney described some limitations on the president’s power to “force changes if state and local officials won’t follow his lead.” He’s right. And if the president tries to force states to ease restrictions, they should resist. They have the Constitution on their side, and they will almost certainly win in court.
A triad of bedrock constitutional principles gives the states the upper hand. First, the Constitution and cases dating back to the founding era make clear that the power to make decisions about public health and welfare—for example, whether to close businesses and schools—lies primarily with the states, not the federal government. Second, to the extent that the federal government does have power in these areas, that power lies with Congress, not the president. Third, federal powers, even when wielded by Congress, are limited. And, as a practical matter, Congress is extremely unlikely to use its power to force states to roll back public health measures, even if it could do so as a formal legal matter. Under these principles, Trump lacks the legal authority to override orders from governors and other state and local officials that are designed to protect the public health and welfare of their citizens.
Julie Bosman reports Coronavirus Cases, Concentrated on the Coasts, Now Threaten America’s Middle
This week, cities and states that had no known cases of coronavirus not long ago have seen the infection’s sudden, intense arrival. In Detroit, more than 850 cases have been identified and at least 15 people have died. In New Orleans, public health workers have identified more than 1,100 cases, including 57 people who have died. Eight deaths and nearly 400 cases have been reported in Milwaukee County, Wis. And in Chicago and its inner-ring suburbs, there have been nearly 2,000 cases, as of Friday morning.