RACINE, Wis. — Microsoft said Thursday that it will spend $4 billion to build a second data center in Wisconsin. The first one will come online in early 2026, with the software company spending$3.3 billion on it.The first Wisconsin data center will house hundreds of thousands of Nvidia chips that are capable of handling artificial intelligence models, Brad Smith, Microsoft's president and vice chair, wrote in a blog post.Cloud infrastructure providers are racing to build capacity to meet the needs of compa ...