The Trump administration canceled a FEMA program in April that would have funded upgrades to protect the town from flooding. Then the Eno River rose more than 20 feet.By Lisa SorgHILLSBOROUGH, N.C.—About nine hours after Tropical Depression Chantal inundated central North Carolina last week, Jeff Mahagan’s phone woke him at 3 in the morning. The person working on call at the Hillsborough wastewater treatment plant was scared.