[contentcards url=”https://www.breitbart.com/politics/2025/08/20/exclusive-peter-navarro-time-to-investigate-the-fbi-agent-who-tried-to-take-down-trump-and-me/”] By Peter Navarro They call Walter Giardina a Marine hero. The media portrayed him as a martyr in FBI Director Kash Patel’s recent “purge” of…