demanding documents about his conversations with ukraine and about the hundreds of millions of dollars that trump withheld in military aid. the investigation could engulf his personal attorney's team. they will slap rudy giuliani personal associates with subpoenas if they don't cooperate. they have been defying requests for information. as the tentacles of this investigation spread, the president refuses to budge in his defense of that damning phone call with the ukrainian president. >> the conversation i had with the yukraine president was a vey good conversation. we had a great conversation. it's a very normal, nice conversation. >> cord yial, great, nice. the same call he asked for an investigation into joe biden. tonight more cracks are starting to appear when it comes to