| web | By Ylan Q. Mui | Washington Post | 2017-01-23 |
| web | Ben Popken | NBC News | 2017-01-23 |
| web | Perry Stein, Steve Hendrix, Ab... | Washington Post | 2017-01-21 |
| web | Ashley Parker, Philip Rucker, ... | Washington Post | 2017-01-23 |
| web | Sarah Ravani, Kevin Fagan, Viv... | San Francisco Chronicle | 2017-01-21 |
| web | | Bay City News Service | 2017-01-21 |
| web | Susan Page | USA TODAY | 2017-01-22 |
| web | Chris Mooney | Washington Post | 2017-01-21 |
| web | | Bay Area Rapid Transit (BART) | 2017-01-19 |
| web | Robert Faturechi | ProPublica | 2017-01-19 |
| web | Clay Bennett | | 2017-01-17 |
| web | Annie Knox and Kim Palmer | Reuters | 2017-01-11 |