Trump focuses on 'perfect' Ukraine call despite allegations of broader pressure campaign
By Jeremy Diamond
White House officials spurn demand to testify in impeachment probe
By Andrew Desiderio & Kyle Cheney
Impeachment inquiry: Whistleblower willing to answer questions from Republicans, lawyer Mark Zaid says
By Margaret Brennan
Trump rallied for Kentucky governor but impeachment was on his mind
By Steven Shepard & Matthew Choi