When Mrs. Baxter was first in the room at the TV studio posing as a newswoman to interview Mr. Warren the clock on the wall said 8:28, but seconds later the next view of the same clock showed the time as 8:26.
The post opening credit scene references hearings in Washington DC. However David Vincent is shown walking past the Dorothy Chandler Pavilion as well as palm trees which shows that the scenes are filmed in Los Angeles.