- David Gergen: Phase one of the presidential campaign may be about to end
- Economic woes, the Pope's visit and the Iran debate could scramble the campaign, he says
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)Ring down the curtain on Act I of the 2016 presidential race!