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Alan Dershowitz argues presidential quid pro quos aimed at reelection are not impeachable
By Paul LeBlanc, Marshall Cohen & Nikki Carvajal
Impeachment trial: First day of Q&A session concludes
By Grace Segers, Stefan Becket & Kathryn Watson
John Bolton's Book Is Making Fools of Trump's Republican Enablers
By John Cassidy
All the president's disloyal men: Trump demands fealty but inspires very little
By Ashley Parker
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Senate and John Roberts face possibility of epic tie on witnesses
By Burgess Everett & John Bresnahan
Presenting the ludicrous 'Dershowitz Doctrine'
By Paul Begala