premise: According to the DNC chairman Howard Dean, Senator Clinton has cancelled a speech at a Democratic National Committee meeting in Vienna, Virginia and all other events today to deal with the situation. Her husband, former US President Bill Clinton canceled a speech in New York City. Senators Barack Obama and John Edwards also have campaign offices down the street which have been closed and locked down along with the rest of downtown Rochester. Clinton's campaign offices located in Des Moines, Iowa have also been closed on a temporary basis. "Unfortunately as some of you know, there is a hostage situation in New Hampshire involving a Clinton campaign staff person. The details are sketchy at this time, but understandably Sen.
hypothesis: Bill Clinton used to be President of the United States.