During the presidential campaign, Republican Donald Trump said he would not cut Social Security, Medicare or Medicaid, but no matter. Sen. Chuck Schumer, the next Senate minority leader, on Tuesday warned that Republicans are “plotting a war on seniors.” The New York Democrat said he was “so disappointed” that Trump has nominated Rep. Tom Price (R-Ga.) to be his Health and Human Services secretary. “When it comes to issues like Medicare, the Affordable Care Act and Planned Parenthood, Congressman Price and the average American couldn’t be further apart,” Schumer told a news conference on Capitol Hill. …