For ten points, name this city, the headquarters of Berkshire Hathaway and Warren Buffett, whose Rosenblatt Stadium annually hosts the College World Series, the largest city in Nebraska.
The seat of Douglas County, landmarks in this city include the Henry Doorly Zoo.  Including the Quest Center, which hosts college hockey's Mavericks of the CCHA, this city also features corporate headquarters like the Union Pacific Railway and ConAgra.  The original home of Boys Town, it is a former meatpacking center.  For ten points, name this city, the headquarters of Berkshire Hathaway and Warren Buffett, whose Rosenblatt Stadium annually hosts the College World Series, the largest city in Nebraska.
The seat of Douglas County, landmarks in this city include the Henry Doorly Zoo.  
Omaha