Chris Christie 's : David Frum 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 Frum overcome his flaws ? Christie : Ex-President David Frum 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 ? Frum : Ex-President Nixon realized too late that hating his opponents was his undoing .