By Nandita Bose, Jeff Mason and Bianca Flowers WASHINGTON (Reuters) -She worries Republican donors, has name recognition, and Democratic Party heavyweights are beginning to line up behind her. Vice President Kamala Harris would be President Joe Biden's natural successor if he bowed to growing pressure and stepped aside as the Democratic candidate in the 2024 election,

The White House has made an error with Vice President Kamala Harris as Democrats struggle to find an alternative for President Joe Biden following his abysmal debate performance.

But in the days since President Joe Biden's disastrous debate performance, the presumptive Republican nominee has kept a low profile, leaving the focus on the drama engulfing the Democratic Party as he and his campaign revel in a series of legal and political victories heading into the Republican National Convention this month.

In a sit down interview with ABC News' George Stephanopoulos that aired Friday, Biden was asked about his rocky first debate performance, during which the president said he was dealing with "a really bad cold" and was exhausted after coming off a few weeks of international travel.

U.S. District Judge Aileen Cannon on Saturday granted former President Donald Trump’s request for further briefing on the issue of presidential immunity in the Mar-a-Lago classified documents case and delayed certain deadlines.

Glenn Kirschner and Ian Millhiser discuss how the Supreme Court's immunity decision impacts the many pending legal cases against Donald Trump