The Las Vegas Convention and Visitors Authority has plans to spend $2.3 billion to expand its convention center and create a Global Business District. But the first step will be a $42 million project to demolish the 60-year-old Riviera casino-hotel, and then pave the 26-acre site and turn it into an outdoor exhibition space on a temporary basis. It’s unclear when construction of the convention center would begin. Read the Associated Press story here