NFL quietly filed $1.5 million claim against M.I.A. for Super Bowl middle finger

In the aftermath of a Super Bowl XLVI halftime show that included M.I.A. doing her best Bud Adams impersonation for the cameras, the NFL suggested that legal action could be taken. And it was.  Quietly.  But aggressively. According to the Hollywood Reporter, the NFL filed a claim for arbitration in March 2012, seeking payment in…