The case for and against impeaching President Donald Trump
By Marshall Cohen
Only 3 Senate Republicans aren't defending Trump from the impeachment inquiry. Here's why.
By Adam Edelman
The key impeachment question: What did Trump want from Ukraine — and what exactly did he do?
By Greg Jaffe
Trump impeachment inquiry: Republicans release strategy memo outlining response to the impeachment inquiry
By Grace Segers
Trump, Ukraine and Impeachment: The Inside Story of How We Got Here (Published 2019)
By Andrew E. Kramer, Danny Hakim & Sharon LaFraniere
Key players in the Trump impeachment probe and what they testified to Congress
By Benjamin Siu & Anne Flaherty