David Frum : Chris Christie 's team broke rules to gain revenge against opponent . He says question for governor is whether he can learn from this episode . Running for president is a test of character , Frum says ; can Christie overcome his flaws ? Together , they expose the carelessness of the way we talk and think about the people who aspire to the presidency . Comment: Ex-President Nixon realized too late that hating his opponents was his undoing .
David Frum : Chris Christie 's team broke rules to gain revenge against opponent . He says question for governor is whether he can learn from this episode . Running for president is a test of character , Frum says ; can Christie overcome his flaws ? Comment: Ex-President Nixon realized too late that hating his opponents was his undoing .