An influential former CIA executive is working to build momentum in Washington for a new U.S. intelligence agency that would focus solely on commercially available data, such as content on social media and tech platforms. Former CIA executive William “Chip” Usher issued a new call for the creation of an “Open Source Agency” in the pages of the CIA’s “Studies in Intelligence” journal in September, arguing that the U.S. intelligence community needs a 19th agency to reflect the realities of...