Rural Michigan residents rally against the planned $7bn Stargate data center.Photograph: Jim West/Universal Images Group/Getty Images · Photograph: Jim West/Universal Images Group/Getty Images Cancellations and delays of new US datacenters have increased as the artificial intelligence boom runs up against a slate of issues, including supply chain snags, energy shortages and tariff-induced restraints. Grassroots opposition from local communities has also derailed some plans, and some investors have grown wa ...