In the context of United States government and politics, the term identifies individuals or groups that control access to information and decision-makers. These entities significantly influence which issues gain public attention and subsequently, governmental action. A prominent example includes the media, which selects and frames stories, thereby shaping public discourse and influencing the policy agenda. Another example could be Congressional committee chairs, who decide which bills are considered and advanced.
The role is crucial in a representative democracy because these entities significantly impact public opinion and governmental priorities. By filtering and prioritizing information, they can affect which problems are perceived as important and how those problems are addressed. Understanding the impact of these roles is vital for analyzing political processes and evaluating the responsiveness of government to public needs. Historically, shifts in technology and media landscapes have altered the power and influence of various gatekeepers, impacting the flow of information and the nature of political debate.