As President Joe Biden's political future hangs in the balance, anxiety and unease have gripped the White House in the wake of his disastrous debate performance last month. Multiple sources inside and outside the White House are reporting a somber mood among staffers as they struggle to make sense of Biden's halting 90-plus minutes on the debate stage.

Since the debate on June 27, White House staff have been confronted with devastating headlines casting doubt on Biden's political future. The latest blow came on Sunday when several House Democratic ranking members reportedly urged Biden to step aside in a call with Minority Leader Hakeem Jeffries.

Senior administration officials have since held check-ins with their teams and individual direct reports, offering emotional support and encouraging aides to stay focused on the Biden administration's work. Group texts among administration officials have been buzzing with rapid-fire exchanges trading the latest gossip and headlines about the president's future.

Over the weekend, much discussion revolved around the identity of a senior White House official who anonymously told The New York Times that they do not believe Biden should seek reelection. However, when questioned about this individual, another senior White House official dismissed their opinion, stating that they shouldn't be in the White House.

Despite the uncertainty and internal turmoil, support for Biden's candidacy seems to remain largely intact among the senior ranks at the White House. However, one senior Democrat, who is in close contact with White House and campaign officials, noted that this support feels tenuous, as any crack in the backing could have significant consequences.

President Biden himself has publicly remained resolute about staying in the race. In a letter to congressional Democrats on Monday, he expressed his firm commitment to continue running and defeat Donald Trump. Biden emphasized the importance of the democratic process and the authority of the voters in deciding the Democratic Party's nominee.

Biden's chief of staff, Jeff Zients, held an all-staff call last week, exhorting the team to focus on their work and ignore the surrounding chatter. He urged them to stay committed, highlighting their achievements so far under the president's leadership.

As nerves run high inside the White House, this week is expected to be consequential for President Biden. He is awaiting the outcome of discussions that will determine whether he will face a full revolt from lawmakers in his own party. The prevailing mood heading into this week has been described as one of "uneasiness."

The situation surrounding President Biden's reelection campaign remains fluid, and the White House continues to navigate through this challenging period. This story will be updated with any additional information that becomes available.