WAMC's Dr. Alan Chartock discusses reports that Soviet-born businessman Lev Parnas, a key figure in the Ukraine scandal, is now saying President Trump was fully aware of efforts to pressure Ukraine to investigate former Vice President Joe Biden.
Dr. Chartock also considers the role Chief Justice John Roberts will play in the president's impeachment trial, and comments on reports that Russian President Vladimir Putin has proposed constitutional amendments that may keep him in power beyond the end of his term in 2024.