What is GARM? 'Collusive' ad group allegedly targeting conservatives faces grilling from top House committee

A controversial advertising alliance has drawn the attention of one of the most powerful House committees in Congress as critics allege it has fostered corporate collusion in order to silence certain political messages. 

The Global Alliance for Responsible Media (GARM) describes itself as a "cross-industry initiative" started as part of the World Federation of Advertisers that, according to a spokesperson, "was established in 2019 to help the advertising industry address the challenge of...