Former U.S. president Jimmy Carter has now been in hospice care for one full year. Carter — who, at 99 years old, is the country’s longest-living president — entered hospice one year ago on Sunday (Feb. 18) following “a series of short hospital stays,” according to USA Today. The former president has battled cancer since at least 2015; he hasn’t specified all the details of that diagnosis, but did share that the illness metastasized to his brain. Once he decided to forgo further curative treatment in February 2023, Carter elected to receive palliative care at his longtime home in Plains, Ga., …