Liza Goitein of the Brennan Center for Justice explains the legal avenues under which the Obama administration pursued wiretaps on American citizens:<ref>https://www.brennancenter.org/blog/how-spy-president</ref> | Liza Goitein of the Brennan Center for Justice explains the legal avenues under which the Obama administration pursued wiretaps on American citizens:<ref>https://www.brennancenter.org/blog/how-spy-president</ref> |