ukrainian officials pushing for a white house meeting. volker writing to an aide for zelensky, assuming president z. convinces president trump he will investigate, get to the bottom of what happened in 2016, we will nail down a date for the president to washington. good luck. on august 9th, sondland messages volker. i think potus wants the deliverable. should ask for the ukrainian president's aid in drafting a statement to see exactly what they propose to cover. volker will also appear on tuesday. >> kurt volker, let's remember, is a former career foreign service officer. volker knew what normal foreign policy looks lake. >> reporter: the week's final witness fiona hill is expected to describe what she saw as a nightmare scenario. private interest driving u.s. policy. where do you think everybody kneads to be at the end of next week? >> i think democrats need to be