Rally Effect (IMAGE) Washington University in St. Louis Caption Rally effects contributed to dramatic and sustained spikes in popularity for John F. Kennedy after the Cuban Mission Crisis, for George Herbert Walker Bush during Operation Desert Storm and for George W. Bush after the 9/11 terror attacks on the World Trade Center. Credit WUSTL Graphic Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.