They thought of that already. That's why it's not going to be a live interview. It'll be a written one.
https://www.reuters.com/article/us-usa-trump-russia/trump-could-be-interviewed-within-weeks-in-russia-probe-washington-post-idUSKBN1EX1C0Quote
Citing three people familiar with the situation, NBC said lawyers for Trump had met with representatives of Mueller’s office in late December to discuss the logistics of any such interview.
They included the location and length of such an interview as well as legal standards and options for its format, including written responses instead of a formal sit-down, according to the network.
/e It looks like they're trying to nip any "slip-ups" in the bud.
This post was edited by Ghot on Jan 9 2018 02:04am