- David Gergen: Other presidents made rocky starts -- but were quicker to learn from them
- Presidents Kennedy and Clinton both absorbed the lessons from early mistakes
David Gergen is a senior political analyst for CNN and has been a White House adviser to four presidents. A graduate of Harvard Law School, he is a professor of public service and co-director of the Center for Public Leadership at the Harvard Kennedy School. Follow him on Twitter: @david_gergen. The opinions expressed in this commentary are his.
(CNN)As they brace for harsh media attacks on their first 100 days, President Donald Trump's team points out with justification that other presidents have stumbled, too.