1/4 U.S. President Joe Biden speaks at the Arts and Humanities Award Ceremony in The East Room of The White House in Washington, D.C., on March 21. Photo by Oliver Contreras/UPI | License Photo March 29 (UPI) — In Britain, prime ministers undergo "Question Time" in Parliament. This can be a knock down event despite the civility of addressing one another as "the right honorable gentleman or lady." U.S. presidents endure press conferences. The difference is that presidents can choose the time and place or choose not to hold any. Prime ministers do not enjoy that freedom. Advertisement Assuming President…