NEW YORK (AP) — A swath of Americans watching President Joe Biden is seeing something beyond debate-stage stumbles and prime-time miscues: Themselves. Debate about the 81-year-old Democrat’s fitness for another term is especially resonating with other older Americans who, like him, want to stay on the job. “People were telling me I should retire too,” says 89-year-old D’yan Forest, a New York comedian. “But you’ve got to keep working, no matter what.” Forest has stumbled on an occasional joke...