If age forces Joe Biden to stand down, who will step up?

News Snapshot:

A damning critique by Republican special counsel Robert Hur has brought President Biden’s age and declining faculties into sharp focus. After interviewing Biden, Hur described him as as a “well-meaning, elderly man with a poor memory” who had “diminished faculties in advancing age.” While comparatively healthy for an 81-year-old man, Biden’s long-term speech impediments and memory losses are worrying many Americans. If Biden’s age-related issues were to accelerate rapidly — though let’s be clear, there is no reason to indicate that they will — he would be forced to withdraw his nomination for the 2024 U.S. presidential race. So, who...