The largest multi-tenant building in the southwestern United States reached an agreement with the international law firm Skadden, Arps, Slate, Meager & Flom LLP for 26,091 square feet of office space on the 68th floor. Wells Fargo Plaza at 1000 Louisiana St. in Houston has 1.72 million square feet of rentable space. The law firm is expected to move in next March and the lease has a 10-year term with renewal options on additional space.