By the time President Obama took office, Guantánamo was viewed internationally as a symbol of a counterterrorism approach that flouted our laws and strayed from our values, undercutting the perceived legitimacy - and therefore the effectiveness - of our efforts.
"Strengthening our Security by Adhering to our Values and Laws". John O. Brennan's Speech at Harvard Law School in Cambridge, Massachusetts, obamawhitehouse.archives.gov. September 16, 2011.