U.S. President Joe Biden speaks In the Indian Treaty Room of the Eisenhower Executive Office Building at the White House complex in Washington, U.S., November 27, 2023. REUTERS/Evelyn Hockstein Reuters: Democrats have no Biden backup plan for 2024, despite age concerns WASHINGTON (Reuters) -The Democratic Party has no Plan B if President Joe Biden decided for any reason to halt his 2024 re-election campaign, and a sudden need to replace him as its standard-bearer would spark a messy intraparty battle. Despite weak poll numbers and questions, including from some Democrats, about his age, Biden has stuck to his plan to seek a second term after clearing the field of serious Democratic primary challengers when he announced in April that he was running again. Even if more Democratic candidates were to jump in now, the path forward would be unclear as deadlines to get on the primary ballot in critical states such as Nevada, South Carolina and Georgia have alre...