The bloom is slightly off the rose for Facebook. After a banner first post-IPO quarter, it's recording a net loss in its fiscal third quarter of $59 million despite its revenue climbing to $1.26 billion -- a big swing that the company is blaming on payroll tax tweaks and income taxes, which becomes clearer when you learn that the company posted a $311 million profit before factoring in standard accounting practices. Facebook hasn't said exactly what had the biggest impact, although its closing the Instagram deal wouldn't have
