Before the election, District of Columbia planners set an early estimate of 800,000-900,000 people for this year's inauguration and they haven't revised that number yet, according to Christopher Geldart, director of D.C.'s Department of Homeland Security and Emergency Management. While demand for hotel rooms and other venues is slower than at this point four and eight years ago, hoteliers remain "guardedly optimistic," according to Elliott Ferguson, president of Destination DC, the city's tourism bureau. For $2.5 million, the J.W.