President Biden has been issued a warning from within his own party ahead of the 2024 election. Bernie Sanders, America’s leading progressive politician, said he will lose voters unless he takes action to address the concerns of voters, particularly working-class families. He urged the 46 President to put more urgency into his re-election bid, or risk losing to Trump. Speaking to the Guardian, he said: “We’ve got to see the White House move more aggressively on healthcare, on housing, on tax reform, on the high cost of prescription drugs. “If we can get the president to move in that direction,…