As the coronavirus crisis continues to engulf the U.S., public-health experts have pointed to a series of missteps and miscalculations in the country’s response. Here’s a look back at how the U.S. became the epicenter of the global pandemic. Photo Drew Angerer/Getty Images Plans laid out by California and Texas suggest many children in each state will start the school year virtually, as coronavirus cases rose to another daily record and measures to slow the spread of the virus continued to meet political resistance. Confirmed infections in the U.S. neared 3.6 million, as the country posted a single-day record of more than 77,000 new cases. World-wide,…