This scenario is taken from Advise and Consent by Allan Drury
It is the middle of the Cold War and the President of the United States, a Democrat , has nominated a new Secretary of State-Robert A Leffingwell. However controversy surrounds the nomination. It is soon revealed Leffingwell was part of a Communist cell as a youth and that he lied in the hearings about it. In addition Leffingwell’s current views favour accomadation and appeasement with the Soviet Union. So would you support the Senate advising and consenting to the nomination of Robert A Leffingwell?
 While not explicitly stated, it is strongly implied the President and the Majority Party is the Democratic Party
I would personally oppose Leffingwell’s nomination not so much for his past actions but for his present political views and his lying to the Congressional hearings.