Based on the search results, there is no clear answer to what protest is going on today. The latest news and breaking stories about protests are available on various news websites such as Politico, The Guardian, The Independent, and Fox News. However, none of the search results provide information about a specific protest happening today. The most recent news about protests is related to the rallies and protests in response to the Hamas attack on Israel, which erupted across the US on October 10, 2023. Therefore, it is recommended to check the latest news updates on these websites or other reliable news sources to find out if there are any ongoing protests today.