Trump's Online War Room Aims Its Spears at Decorated Colonel.

The article looks at how U.S. President Donald Trump has been using social media, particularly Twitter, to frame his impeachment defense, bring down his Democratic inquisitors, and undermine public officials. Topics discussed include Lieutenant Coronel Alexander S. Vindman's damaging testimony about Trump's conduct on a phone call with Ukraine's leader, retired Army officer Jim Hickman's claim that Vindman bashed Americans, and Trump's efforts to undermine the impeachment inquiry.