Sources:
- http://www.dailymail.co.uk/news/article-5507429/Bidens-son-Hunter-deal-Bank-China-fathers-trip.html
- https://www.forbes.com/2009/08/27/ted-kennedy-soviet-union-ronald-reagan-opinions-columnists-peter-robinson.html#7c7c3e16359a
- https://www.nbcnews.com/news/us-news/prosecutors-ask-fbi-agents-info-uranium-one-deal-n831436
- https://www.reuters.com/article/us-nuclear-summit-obama-medvedev/obama-tells-russias-medvedev-more-flexibility-after-election-idUSBRE82P0JI20120326