
The history and practice of opposition research, the "dark art" of American politics.
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 84 | Founded | 3 years ago | Last Issue | 17 days ago |
| Active | |||||

After Graham Platner suspended his campaign for the U.S. Senate yesterday, the nation’s lesson-drawing industry kicked into high gear.
The New York Times added to our knowledge about the “vetting” ordered-up by his political gurus:
A t...
Wall Street Journal reporters Tarini Parti and Aaron Zitner have done opposition researchers of both parties a great service, in their June 21 story about the vetting of oyster farmer Graham Platner, the Maine Democratic running for U.S. Se...
“Opposition researchers have never had more content to draw from,” writes Kellen Browning in the New York Times.
His subject matter: The wave of 2026 candidates whose “messy” social media histories have come back to haunt them.
Exhibit A:...
Last Friday, the Los Angeles Times ran an interesting story by Seema Mehta with the headline: CODED MESSAGES, ‘RED BOXING’ AND OTHER ALLEGATIONS IN CALIFORNIA’S TESTY RACE FOR GOVERNOR. “Intriguing updates emerged on Democratic gubernatoria...
“I’ve always been fascinated by technology and the research mission,” Bullpen Strategy Group CEO Joe Pounder said in a recent interview.
Pounder founded Bullpen in 2019 with a group of 10 colleagues, some of whom had worked with him at Ame...
Subscribers, engagement, traffic and sponsorship for Oppo File.
| Subscribers | Engagement | 65 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
The writers behind this newsletter.
Host and creator of the Oppo File podcast. Author of THE WATERGATE: INSIDE AMERICA'S MOST INFAMOUS ADDRESS (William Morrow).
You can find recent issues that have been published by Oppo File on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to Oppo File, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch Oppo File as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Oppo File using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Related Newsletters to see other publications like Oppo File. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.