Even those who can distance themselves are unsure whether to do so—in part because President Jair Bolsonaro mocks the science and rails against lockdowns. The private-equity industry has ballooned since the last financial crisis; does that make it weaker or stronger in this one? And our correspondent investigates a Mexican-mummy mystery. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer