NYT: In July, the American Wind Energy Association reported that it was having a lousy year. It appears the third quarter of 2010 wasn`t much better. According to an analysis to be released on Friday, the trade group reports having its slowest quarter since 2007, adding just 395 megawatts of wind power capacity. For the year to date, new installations were down 72 percent. The reasons are many. For starters, as any number of unemployed Americans can testify, the nation`s economic engines just…