Iowa Senator Chuck Grassley wants President Trump to release files related to the assassination of President John F. Kennedy. On Twitter Wednesday, Grassley said he's introduced a resolution that allows JFK-related documents to be released. He says Americans and historians deserve to see the files because the government classifies too much material. Grassley's tweets come as the President John F. Kennedy Assassination Records Collection Act, which allows the release of the records, is about to be 25 years old.