Biden marks Iowa rise from caucus collapse to fall contender

By ZEKE MILLER, ALEXANDRA JAFFE and THOMAS BEAUMONT | Associated Press
DES MOINES, Iowa — When Joe Biden was last in Iowa, his presidential campaign was on the verge of collapse and he was soundly trounced in the caucuses by a former Indiana mayor nearly 40 years his junior. He returns Friday as the Democratic nominee, believing he’s just days away from becoming president-elect.
Biden’s trip reflects the remarkable arc of his third presidential campaign. He entered the race as