to appear or if the white house will seek to block their appearances. the lieutenant colonel vindman is connecting dots in the impeachment probe. vindman told lawmakers that the white house meeting sought by the president of the ukraine, as well as the deliveryth of nearl $400 million in security and military aid was quote contingent upon ukrainian officials carrying out multiple investigations sought by president trump including into the bidens, burisma and the 2016 election. sources say vindman drew a direct line between the deliverables for ukraine and the multiple investigations. the white house is also pushing back on the lieutenant colonel s testimony that he tried to edit a white house log of that july call between the president and ukrainian president zelensky. vindman testified tuesday that the proposed edits were to includeop trump mentioning possiblein recordings of joe biden, j discussing corruption ukraine, as well as ukraine s president mentioning burisma, the company