Links
[1] https://ploughshares.org/file/1754
[2] http://www.ploughshares.org/about-us/senator-chuck-hagel
[3] http://armscontrolcenter.org/assets/pdfs/START_Briefing_Book_4-6-2010.pdf
[4] http://www.state.gov/r/pa/ei/biog/125660.htm
[5] http://www.globalzero.org/en/who/mikhail-margelov
[6] http://burnafterreading.nationaljournal.com/2010/04/hagel-and-russian-lawmaker.php