Donald Trump's former strategist Steve Bannon has offered to testify in a congressional probe of the Jan. 6 Capitol riot, just days before he faces a criminal contempt trial for defying a subpoena from the House select committee investigating the attack. #Trump #Banon #News #Reuters Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en