- Many White House scandals seem big but then fizzle, writes Julian Zelizer
- Julian Zelizer says it's too early to tell where this one will wind up
Julian Zelizer is a professor of history and public affairs at Princeton University and a New America fellow. He is the author of "Jimmy Carter" and "The Fierce Urgency of Now: Lyndon Johnson, Congress, and the Battle for the Great Society." He also is the co-host of the podcast "Politics & Polls." The opinions expressed in this commentary are his own.
(CNN)When Michael Flynn quit under pressure as national security adviser, he became the second high-ranking official in Donald Trump's inner circle to step down over investigations of the campaign's alleged ties to Russia.