Nearly every time President Joe Biden appears in public these days, he fuels the chatter: Will aging Joe bow out of the 2024 race? Will he be forced to step aside? In the latest incident, former president Barack Obama was seen on Saturday reaching for Biden's hand and seemingly guiding the 81-year-old Commander-in-Chief off the stage at a Los Angeles fundraiser. And that came after Biden stood motionless and stared blankly for a full minute at a Juneteenth celebration at the White House on Monday, as others sang and danced around him. Eventually, Philonise Floyd, brother of the late George...