article_snippet: The American public, which is now used to fast-paced and constantly changing news stories, will follow the coverage as it shifts to a new story even after weeks, or months, of attention on one single issue.
article_snippet: Remember the Ebola crisis?
article_snippet: Not many people do, though for a time it was all anyone was talking about.
article_snippet: As Brendan Nyhan wrote in The New York Times: "If there's one thing we've learned from past presidential campaigns, it's that most supposed game-changers like this quickly fade from the memory of the political class, having never been noticed by most Americans in the first place.