>>4844392 lb
I found this original cspan file uploaded on the 31st. The file can be borrowed for $25 from the library.
https://archive.org/details/CSPAN2_20180131_020400_State_of_the_Union_Address
I have just found this site which is amazing in its breadth of data available freely. Not this type of file though apparently. Given it is next day upload it may have the raw footage of the phones.