Philadelphia couple , ACLU file lawsuits over surveillance . Court complaints involve NSA phone monitoring . Comment: The Stranges ' son , Navy SEAL Michael Strange , was killed in a 2011 helicopter crash in Afghanistan . President Barack Obama says surveillance necessary and lawful to fight terror .
Philadelphia couple , ACLU file lawsuits over surveillance . Court complaints involve NSA phone monitoring . Comment: President Barack Obama says surveillance necessary and lawful to fight terror .