Biden expected to launch presidential campaign next week

WASHINGTON (AP) — Former Vice President Joe Biden is expected to join the crowded 2020 Democratic presidential race next week.The decision answers one of the most significant outstanding questions of the early presidential primary season, which has already seen announcements from 18 high-profile Democrats. Biden, 76, would be the oldest and most experienced politician in the race.His plans were confirmed by three people with knowledge, who insisted on anonymity because they were not author