Billionaire Data Center Builder Insists There's No AI Bubble

O na bright August morning, Bob Clark, the founder of construction giant Clayco, stops by the new $850 million, 19-acre Obama Presidential Center, which he helped build, in Jackson Park on the South Side of Chicago.

After a quick checkup on the "Obamalisk," as he fondly calls the complex's central eight-story spire of granite, glass and concrete, he gives a speedy hello to former White House senior advisor Valerie Jarrett, who is now CEO of the Obama Foundation. Then he's off, hopping in the back of a white Escalade and speeding down Lake Shore Drive to another of his projects, which could arguably be of even greater importance to Chicago and the world.