-ukraine relationship with nina jankowicz. later, we will look at federal oversight of generic drugs, several of which have been found to contain carcinogens. susan berfield will join us. we will be right back. >> sunday night, as the house launches a formal impeachment inquiry into president trump, hear from the editor of the book, "residential misconduct," and one of the members of the house that worked on the impeachment of richard nixon. thought of the utility of a report like this and turned to woodward tond asked be the kind of commander-in-chief of the project of preparing such report, which was unprecedented. he asked three people to be his field generals. they identified and recruited about 12 historians to write 1, 2, or three sketches on that many presidencies. i was chosen to be one. we had eight weeks to do it. it was the day before fax, email, digitization, so it was done by phone call and mail. professor woodward submitted it to john doerr, and that is the last we heard of it. six weeks later, the president resi