▽ The New Yorker ●06/18 13:26 Early WarningsCan we really outsmart cancer with a blood draw? The hope of catching cancer before symptoms appear continues to drive research and investment. But the benefits of screening sometimes prove a mirage. Siddhartha Mukherjee reports on the promise—and perils—of early cancer detection.The Minnesota Shootings and the Dangerous Trend of Impersonating Law EnforcementA new political era ha