21:00-7:00 Keywords: Biden, Trump, Musk, Harris 1. Harris expressed his desire to win the Democratic presidential nomination. 2. Musk changed the profile picture of the X platform to "laser eye". 3. The current President of the United States, Joe Biden, has announced that he will withdraw from the 2024 presidential election. 4. The US Secret Service rejected requests for increased security at Trump rallies. 5. Trump: Biden is not fit to run for president or serve his country. 6. Musk: Real power is abandoning the old puppet, and Trump is not a puppet. 7. Biden withdrew and supported Harris, Trump responded: Harris is easier to defeat than Biden; 8. Crypto Policy Panel: President Biden's decision to step aside is a new opportunity for top Democrats to embrace cryptocurrency and blockchain technology.