web | Ilya Somin | Washington Post | 2015-01-17 | |
web | Dion Rabouin | International Business Times | 2014-12-21 | |
web | Roberto A. Ferdman | Washington Post | 2014-10-10 | |
web | Pew Research Center | 2014-06-12 | ||
web | Pew Research Center | 2014-06-12 | ||
web | Tia Ghose | LiveScience | 2014-06-05 | |
web | Chris Francescani | Reuters | 2013-12-30 | |
web | Pew Research Center | 2013-12-30 | ||
web | Connie Cass | Associated Press | 2013-11-30 |