President Joe Biden made a significant slip-up, describing himself as the “first black woman to serve with a black president.” This gaffe adds to a series of recent missteps as the 81-year-old president attempts to reassure voters of his competency following a challenging debate performance. In a recent interview on Philadelphia’s WURD black radio station, President Biden struggled to articulate his thoughts clearly, leading to the awkward statement. He mentioned his tenure as former President Barack Obama’s vice president and the selection of Kamala Harris as his vice president. “By the way, …