COLUMBIA, S.C. (AP) Joe Biden's run for the Democratic presidential nomination was all but declared dead as he headed to the South Carolina primary in late February 2020. He had finished fifth in New Hampshire and fourth in Iowa .
Now, one year into his presidency, Biden is hoping he can maintain the support of Black voters, even as his failure to deliver on voting rights legislation and other issues have left some loyalists dispirited. Of the many challenges he confronts as he enters his second year, few are as important as retaining the strong backing from his party's base.
President Joe Biden often cites the critical role that South Carolina played when he won the Democratic nomination in 2020. He points to his long political ties to a state