travel to India for Clinton's trip. Paul A. Slavin became the new executive producer for World News Tonight in April. September 11 Jennings anchored ABC's coverage of the September 11 attacks for 17 straight hours, an effort described as "Herculean" by television critics. Like other network news anchors, he was widely praised for guiding Americans through the disaster. At one point, Jennings broke his composure after receiving phone calls from his children. "We do not very often make recommendations for people's behavior from this chair," he said, "but...if you're a parent, you've got a kid in some other part of the country, call them up. Exchange observations." His coverage was not without controversy. Jennings was criticized by Rush Limbaugh among others for commenting about President George W. Bush on-air: "Where is the president of the United States? ... I know we don't know where he is, but pretty soon the country needs to know where he is." ABC was flooded with more than 10,000 angry phone calls and e-mails. On September 13, Jennings received more criticism — this time for hosting a forum for Middle East experts that included Palestinian Authority negotiator Hanan Ashrawi. In mid-2002, Jennings and ABC refused to allow Toby Keith to open their coverage of July 4 celebrations with "Courtesy of the Red, White and Blue (The Angry American)", prompting criticism from Keith and country music fans, who highlighted the anchor's Canadian citizenship. The events of September 11 added new meaning to In Search of America, the project Jennings and Brewster started after the success of their previous collaboration. The two began writing the book in early 2001; after the terrorist attacks, they revisited many of the people they had interviewed to see how the events had affected them. To promote the book, the anchor and World News Tonight started a 50-state tour of the United States in April 2002 as part of a yearlong project, 50 States/One Nation/One Year. Jennings also anchored a six-part television series in September 2002, which featured the same name as the book. Despite the success of the TV series and heavy promotion by the book's publisher, In Search of America failed to generate much interest or sales. Jennings's work on In Search of America and the September 11 attacks contributed to his decision in 2003 to become a dual citizen of Canada and the United States. "I think that 9/11