One of the country’s top collegiate athletic organizations is moving its main offices to Texas, and it’s already expanding. The American Athletic conference has leased 18,000 square feet at The Summit at Las Colinas building on State Highway 114 in Irving. The conference, of which Southern Methodist University is a member, will move 30 employees to its new location this summer from Providence, R.I. this summer. The organization had originally planned to lease about 14,000 square feet, but decided on a larger space. Click to read more at www.dallasnews.com.