Former Defense Secretary Mark Esper joins David Gura and Christina Ruffini on Bloomberg This Weekend to discuss recent statements from former President Trump, who declared he is ready to "knock out" power plants and bridges. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com for business news & analysis, up-to-the-minute