Satya Nadella Sven Hoppe/picture alliance via Getty Images Microsoft CEO Satya Nadella used a conference keynote on Tuesday to defend against one of the biggest challenges to the company's massive AI datacenter buildout: Community backlash. AI data centers have become such a political flashpoint that more people in a recent Gallup poll said they'd rather live near a nuclear reactor. The data center boom has received criticism over growing power costs, environmental concerns, and the potential impact of AI on jobs. Microsoft in January released a plan to build what the company called "community-first" AI infrastructure, making promises including that its data centers won't raise electricity rates for residents.…