What to read around the web today

• Legalizing medical cannabis reduces opioid overdose deaths? Not so fast, new study says. STAT
• Pakistan grapples with unprecedented HIV infections in children. Wall Street Journal
• Jacobus prices its rare disease drug at half of what Catalyst charges, but will doctors prescribe it? STAT Plus
• Russian biologist plans more CRISPR-edited babies. Nature
• The war to free science: How librarians, pirates, and funders are liberating the world's academic research from paywalls. Vox