Science shapes and is shaped by policy decisions. Yet scientists seem to have the greatest difficulty engaging in the policymaking process. When Congress makes public policy it does not work in a vacuum. It is responsive to public pressure. Interest groups that are effective at influencing policy know how Congress works, what are its rules, and who are the players. There is a need for scientists to engage in the process. Several important issues on the agenda involve weed science. There are a number of actions the weed science community can take to make itself available and helpful to policy makers.