When President Joe Biden meets former President Donald Trump on the debate stage for the first time in 2024, both men will be seeking a breakthrough in a race that has been deadlocked for months. Given a choice of two extremely familiar and broadly unpopular candidates who have recently served as president, those in the electorate appear to be entrenched in their views. The possibility exists that under these circumstances, and nearly a quarter-century into a period of intense political polarization, the presidential contest will prove impervious to the dynamics of a normal campaign.  (Dean MacAdam for the Washington Examiner) Biden has poured millions of dollars into campaign ads hitting Trump in the battleground states and the poll numbers have barely budged. Trump was knocked off the campaign trail four days a week for a New York hush money trial that resulted in felony convictions with little movement in his support. Can the debates do anything to end the stalemate? The stakes are arguably higher for Biden. The 81-year-old incumbent, who is asking for the opportunity to remain in the White House and in possession of the nuclear launch codes past his 86th birthday, is facing a fresh round of questions about his age. Alleviating those concerns and gaining separation from the Republican rival he increasingly brands as a convicted criminal appear to be Biden’s primary motivations for debating in the first place. Biden and...