Possible Clues:

• ___ City Hall, 36-Across-designed building
• Everyone grieving, taking turn around assassination site
• Home of the Mavericks and the Cowboys
• Texan city; TV series
• Where to watch the Stars on ice
• Everyone inside the German oil centre
• Texas city — old soap
• Vice president after whom a U.S. city is thought to have been named
• City line crossed by Caesar, maybe, from the east
• Everyone in rush to lose hotel soap