John Bolton says he is prepared to testify in Senate trial if subpoenaed
By Jeremy Herb, Manu Raju & Kylie Atwood
Rudy Giuliani says he's willing to testify, give 'demonstrations' at Trump impeachment trial
By Libby Cathey & Shannon Crawford
Top Republican suggests changing Senate rules to begin Trump impeachment trial within days
By Rachael Bade
Bolton Is Willing to Testify in Trump Impeachment Trial, Raising Pressure for Witnesses (Published 2020)
By Nicholas Fandos & Michael S. Schmidt
Top Democratic leaders kept in dark about Soleimani attack
By Ted Barrett & Manu Raju