They'll be serving champagne cocktails and scrambled eggs at the Petroleum Club, offering a 40th-floor view when the Landmark Tower implodes Saturday morning and removes a deteriorating eyesore from the Fort Worth skyline. Courtyard by Marriott, itself a rehabilitated downtown building near the Landmark, has been renting rooms with a view to people -- mainly curious North Texans -- who want a firsthand glimpse of this footnote to urban history on Houston Street between Sixth and Seventh. One hotel guest is an implosion enthusiast who's traveling from Arizona to watch the tallest Texas structure ever demolished. Courtyard guests have booked...