Assassination nation: Are there any limits on President Obama's license to kill? As part of its war against violent extremism, the Obama administration now claims a right to kill Americans without a trial, without notice, and without any chance for targets to legally object.

http://www.csmonitor.com/Commentary/Opinion/2011/0517/Assassination-nation-Are-there-any-limits-on-President-Obama-s-license-to-kill