Trump defense: Ukraine 'quid pro quo' not impeachable
By Lisa Mascaro, Eric Tucker & Zeke Miller
Alan Dershowitz called Trump corrupt in 2016 and said he could be corrupt as President
By Andrew Kaczynski & Em Steck
Rudy Giuliani calls John Bolton a "backstabber" over Ukraine claims in interview on CBS This Morning
By Catherine Herridge
Trump team warns: Stand strong or prepare for an endless trial
By Anita Kumar & Meridith McGraw