bottles of Monsantos Roundup glyphosate herbicide on a store shelf

Supreme Court Considers Blocking Lawsuits Alleging Weed Killer Causes Cancer

April 27, 2026 | Source: The Washington Post | by Justin Jouvenal

The Supreme Court on Monday wrestled with whether federal law preempts judges and juries from weighing claims from tens of thousands of cancer patients that the chemical giant Monsanto failed to warn them about alleged cancer risks from the popular weed killer Roundup.