By SEUNG MIN KIM Associated Press WASHINGTON (AP) — Bernie Sanders and Joe Biden share a bond that was forged through a hard-fought Democratic presidential primary in 2020 and fortified through policy achievements over the last three years. Now, Sanders will be Biden’s most powerful emissary to progressives and to younger voters this election year. Read this story at KTVZ , KEYT , KEYT , KIFI , KIFI , KTVZ