Since taking office, Trump's pugnacious persona has at times appeared stifled by the formal surroundings of the White House. He hasn't always appeared completely relaxed, for instance, in his joint news conferences with foreign leaders. Another senior Trump aide, Kellyanne Conway, declared Trump was back in his "natural habitat.
The incident dismayed the vice president while also raising questions about his stature within the administration.
Every presidency brings change and uncertainty to American foreign policy.
A special video from Iranian filmmaker Asghar Farhadi was also screened for the crowd. Farhadi was nominated in the best foreign film category for his movie "The Salesman," but earlier this month he announced his intention to boycott the ceremony in protest of Trump's travel ban. The ACLU is expected to have a strong presence on the Oscar red carpet.
He sought to underscore shared histories and conflicts, and said Trump would maintain deep ties to Europe while also significantly increasing military spending in the United States. Pence is on his first trip abroad since taking office.