Nearly two decades ago, Virginia gave tech companies a tax break on equipment and software, and they began to build. The state became a data center hub, and they kept building. Residents bemoaned the noise while they built some more. Artificial intelligence boomed, and the power grid strained — still, more building. Now, amid a growing national pushback on data centers, Virginia senators have voted to end a projected $1.6 billion annual tax break, requiring the industry to resume paying a minimum 5.3% sales tax. The proposal has left some opponents warning that it bring construction of data centers in Virginia to a screeching halt...