AP: Spanish power utility Iberdrola SA is investing $10 billion in wind power and energy-related projects across the U.S. over the next few years, but political and regulatory uncertainties could stall future investments, the company’s chairman and CEO said Tuesday. Ignacio Galan, who is in New England for the groundbreaking of a major power grid upgrade in Maine, said wind energy projects have created thousands of jobs in the U.S., and renewable energy companies will continue making …