Never let others know your trump cards, but there's no need—and indeed no possibility—to keep a low profile anymore.
Gao Yi's trump card was Panetta. Green might or might not know, but it didn't matter, it was no big deal.
As long as the CIA made any move in Moscow, Gao Yi would definitely know, and he could even use his influence on Panetta to stop the CIA's actions in Moscow. Just for this reason alone, he could afford to be high-profile.
Gao Yi's transformation brought great pleasure to Huang Haisheng and astonishment to Green.
But Gao Yi could boast and talk big only if he had the strength to back it up. If one has strength, it must be shown.
Gao Yi directly took out his mobile phone, of course, not the one he used to contact Teacher Mu, but the one for contacting Panetta.