The six-term secretary of state has not received less than 60% of the vote since his first run for the position in 1998, and he has strong relationships with African American religious leaders throughout Illinois, particularly on Chicago’s South and West sides. Biden is engaged in a battle for those votes with Bloomberg, whose support among black voters has been on the rise in national polling as he’s spent more than $600 million of his personal fortune on his campaign, much of it on TV ads.