"Vice President Mike Pence, third from left, tries to stop President Donald Trump <a href=""http://www.cnn.com/2017/03/31/politics/donald-trump-executive-order-signing-walk-out/index.html"" target=""_blank"">as Trump walks out of an executive order signing ceremony</a> on Friday, March 31. During the signing ceremony, White House pool reporters asked Trump questions about former national security adviser Michael Flynn, who has offered to testify on Russian involvement in the US election. The President ignored the questions and moved to another room to sign the two executive orders, which regarded trade policy."