The US coronavirus death toll topped 42,000 on Monday as more protesters gathered in state capitals to demand an early end to the lockdowns. Stay-at-home measures have forced more than 22 million people to apply for unemployment benefits in the last month. But governors across the country say until their states have enough testing, the strict measures will be essential to slowing the spread. They disputed President Trump’s recent comments that Democrats are playing politics by insisting there is a shortage of tests.