Associated Press: First Solar Inc. on Thursday predicted the solar power industry will struggle through a rough 2010 as increasing supplies and dwindling European subsidies cut into profits. "Uncertainties remain" in the second half of the year, CEO Robert "Rob" J. Gillette told investors in a conference call. The nation’s largest solar panel maker expects supplies of solar panels will exceed demand in the second half of 2010. Furthermore, silicon-based solar modules will get cheaper, making …