Amid a national epidemic of opioid overdose deaths, the Biden administration has launched an initiative to distribute naloxone-based antidotes widely, including in schools and on airplanes. In a statement announcing the “Challenge to Save Lives from Overdose,” the White House described it as “a nationwide call-to-action to stakeholders across all sectors to save lives by committing to increase both training and access to lifesaving opioid overdose reversal medications.” Often sold under the brand name Narcan, and carried by many first responders, naloxone rapidly reverses an opioid overdose. “An overdose can happen anywhere, to anyone,” the White House said. “That’s why...