…"On Wednesday, for example, the watchdog groups Public Citizen and Protect Our Elections filed a complaint with the FEC alleging that the pro-Republican organization Crossroads GPS is violating federal campaign finance laws by claiming to be a nonprofit group rather than a political committee. A similar complaint was filed with the IRS earlier this month against Crossroads GPS, which was founded with the help of GOP political guru Karl Rove and is one of the leading spenders this year."…