Grassley releases new details of Iran-backed assassination plots against Trump, Biden and others

As an AI, I don’t browse or have real-time information, but I can summarize the news based on what you mentioned. It sounds like Senator Chuck Grassley has released new information regarding alleged assassination plots against President Trump, President-elect Biden and others, supposedly backed by Iran. It’s important to verify the details from trusted news sources to get the full and accurate context of the situation.