NEW YORK — Andrew Cuomo was a cable TV candidate in a TikTok world.
He launched a doomed bid for New York City mayor with a 17-minute announcement video — giving little heed to decaying attention spans and signaling a retro approach befitting a politician who entered politics a half-century ago.
Cuomo was considered the frontrunner throughout his 17-week campaign: He quickly raised a ton of cash, as did a super PAC backing him. He flooded the airwaves with ads, relied on establishment endorsements and leaned into his distinguished political name to turn out voters…