Donald Trump’s second term has presented an array of opportunities for political opponents, from immigration crackdowns and lingering inflation to attacks on independent institutions and friction with overseas allies.

Many Democrats, however, are staying focused on health care, an issue that was once a political liability but has become foundational for the party in recent elections. They insist their strategy will help the party regain control of Congress in the November elections and fare better than chasing headlines about the latest outrages out of the White House.

Republicans last year cut about $1 trillion over a decade from Medicaid and declined to extend COVID-era subsidies that had lowered the cost of health plans under the Affordable Care Act.