Seven months after she poured out her heartbreak in a wrenching letter to then President-elect Obama, the mother of murdered Brooklyn Marine Sgt. Jan Pawel Pietrzak finally got a response - a form letter. "Thank you for contacting President Obama," the note to Henryka Pietrzak-Varga begins. "We hope the issue you brought to the President's attention has been resolved." Pietrzak-Varga, whose son and daughter-in-law were tortured and murdered last year allegedly by four other Marines, told a Polish newspaper she doubts Obama saw her letter. "This is a standard response, something that can be sent out to anyone for any...