An AFP journalist holds a smartphone displaying the Instagram account of Country Music star Garth Brooks showing him wearing a ‘Sanders 20’ jersey in Washington DC February 28, 2020. — AFP pic

WASHINGTON, Feb 29 — US country music icon Garth Brooks posted a picture of himself in a “Sanders” football jersey after a gig in Detroit — unaware of the anger he would spark among perplexed fans who thought he was weighing in on the US election.