Chuck Darwin<p>'Chatham House Rule'</p><p>Torenberg launched Chatham House the summer of 2024, <br>naming it after a British think tank that formalized the insight that <br>trusted conversations require a degree of privacy. </p><p>Two of its conservative participants said they see the group as a way to shift centrist Trump-curious figures to the Republican side, <br>but its founder said he’d begun it to have “a left-right exchange where we could have real conversations because of filter bubble group chats.”</p><p>Chatham House includes high-profile figures like the economist<br> <a href="https://c.im/tags/Larry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Larry</span></a> <a href="https://c.im/tags/Summers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Summers</span></a> and the historian <a href="https://c.im/tags/Niall" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Niall</span></a> <a href="https://c.im/tags/Ferguson" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ferguson</span></a>, <br>and more partisan figures like <a href="https://c.im/tags/Shapiro" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Shapiro</span></a> and the Democratic analyst <a href="https://c.im/tags/David" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>David</span></a> <a href="https://c.im/tags/Shor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Shor</span></a>. </p><p><a href="https://c.im/tags/Andreessen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Andreessen</span></a> lurks. </p><p>But several participants described it to me as something like a gladiatorial arena with <a href="https://c.im/tags/Cuban" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cuban</span></a> most often in the center, <br>sparring with conservatives.</p><p>(“no idea what you are talking about :)” Cuban emailed in response to an inquiry about his arguments on Chatham House.)</p><p>The Group Chat Era depended on part of the American elite feeling shut out from public spaces, <br>and on the formation of a new conservative consensus. </p><p>Both of those are now fading <br>(though Torenberg has invested in a company called <a href="https://c.im/tags/ChatBCC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChatBCC</span></a> that wants to commercialize the heady experience of sitting in on texts among the power elite).</p><p>Since Elon Musk turned X to the right <br>and an alternative media ecosystem emerged on Substack, <br>“a tremendous amount of the verboten conversations can now shift back into public view,” Andreessen told Fridman. </p><p>“It’s much healthier to live in a society in which people are literally not scared of what they’re saying.”</p><p>And Trump’s destabilizing “Liberation Day” has taken its toll on the coalition Andreessen helped shape. </p><p>You can see it on X, <br>where investors joke that they’ll put pronouns back in their bios in exchange for a return to the 2024 stock prices, <br>and where <a href="https://c.im/tags/Srinivasan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Srinivasan</span></a> has been a leading critic of Trump’s tariffs.</p><p>“Group chats have changed on the economy in the last few weeks,” <br>said <a href="https://c.im/tags/Rufo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rufo</span></a>. <br>“There’s a big split on the tech right.”</p><p>The polarity of social media has also reversed, <br>and while participants used to keep their conservative ideas off social media, <br>“now the anti-Trump sentiment is what you’re afraid to say on X,” one said.</p><p>By mid-April, <a href="https://c.im/tags/Sacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sacks</span></a> had had enough with Chatham House: <br>“This group has become worthless since the loudest voices have TDS,” <br>he wrote, shorthanding <br>“Trump Derangement Syndrome.” </p><p>Then he addressed Torenberg: <br>“You should create a new one with just smart people.”</p><p>Signal soon showed that three men had left the group: <br>The Sequoia partner <a href="https://c.im/tags/Shaun" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Shaun</span></a> <a href="https://c.im/tags/Maguire" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Maguire</span></a>, <br>the bitcoin billionaire <a href="https://c.im/tags/Tyler" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tyler</span></a> <a href="https://c.im/tags/Winklevoss" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Winklevoss</span></a>, and <a href="https://c.im/tags/Tucker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Tucker</span></a> <a href="https://c.im/tags/Carlson" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Carlson</span></a>.</p><p><a href="https://www.semafor.com/article/04/27/2025/the-group-chats-that-changed-america" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">semafor.com/article/04/27/2025</span><span class="invisible">/the-group-chats-that-changed-america</span></a></p>