What is the main conflict in Q Clearance by Peter Benchley?

Mild mannered Timothy Burnham is a low-level speechwriter for the President of the United States. A string of coincidences lead to his promotion as the President's most trusted advisor. His marriage falls apart at the same time, leaving him open to the charms of Eva and her father, a Soviet spy. When Eva reveals her true identity, Burnham launches a last minute effort to save his good name and disappear from politics forever. The novel provides a humorous glimpse into the nature of American politics and the random chances that direct the future of the free world.