Cohen v. Cowles Media was a landmark U.S. Supreme Court case in 1991 that addressed the issue of journalistic promises of confidentiality and the consequences of breaking such promises. The case centered around a political consultant, Cohen, who provided information to journalists under the condition of anonymity, but was subsequently named in a published article. This case highlighted the tension between press freedom and the protection of sources, emphasizing the need for laws that safeguard journalists and their confidential sources.