President Barack Obama’s former senior adviser and chief strategist David Axelrod rejected the possibility that the Democratic Party may nominate somebody other than President Joe Biden during a Friday night appearance on “Real Time” with Bill Maher. High-level elected Democrats and liberal staffers have in recent weeks expressed concerns over Biden’s ability to win the 2024 presidential election, citing issues like the president’s age and problems caused by independent presidential candidate Robert F. Kennedy Jr. Axelrod told Maher that the idea of swapping Biden for a candidate with better e…