Instead of trodding out the tired old excuses of Sinema and Manchin time and again for doing absolutely nothing, I suggest that instead Biden actually tries something. He could demand they be removed from the party. He could go to their home states in their home districts and loudly campaign for them to come around, all the while screaming from the rooftops how badly their constituents are being screwed by their reprehensible policies and refusal to cooperate. Force them to comply, or ensure their removal from office.
But no, Biden is not this kind of leader. Instead he thinks of them as friends, and would never seek to challenge their positions for a meaningful political agenda. Perhaps this lack of initiative to deliver for the people is why Biden is so wildly unpopular, and hurtling towards a landslide defeat to the criminal traitor Trump in November. Trump may be a totally fake populist, but at least his messaging resonates with the pain and suffering felt at this time by the American people. Of course Trump has no agenda other than self enrichment, but he at least says things that people want to hear. DC insiders such as Biden, Manchin, and Sinema are totally oblivious to that reality.