and two other political appointees at the agency defied congressional subpoenas to appear. sandy could provide insight into the process by which some $400 million in military and security aid to ukraine was held up. they go on to add, he was among the career staffers who raised questions about the holdup on the aid. well, this comes ahead of the second public hearing in this investigation, of course, which begins in less than 12 hours now. tomorrow, 9:00 a.m., the former ambassador to ukraine, marie yovanovitch, will appear before the house intel committee. she was abruptly removed from her post earlier this year. and while it is not unusual in that line of work for ambassadors to be recalled, in her closed-door testimony, she told impeachment investigators there was,he quote, a concerted campaign against me, and that the department had been under pressure from the h president t remove me since the summer of 2018. she said a senior ukrainian official, quote, told me i