Tensions rose and emotions flared as the hours dragged on into early Wednesday morning. House Republicans are working to push President Donald Trump’s signature legislative package through a gauntlet of committees and mounting opposition from Democrats, advocacy groups and even some wary Republicans themselves.

Tax breaks tallying more than $5 trillion — but also sizable reductions in Medicaid health care, food stamps for older Americans and green energy strategies to fight climate change — are all up for debate Tuesday as the House Republicans launch marathon public hearings on their “big,