The Washington Post provides an interesting behind-the-scenes account of how the funds for electronic health records adoption were included into the American Recovery and Reinvestment Act of 2009, commonly known as the stimulus bill. Health Information and Management System Society (HIMSS) played a crucial role in this lobbying effort. According to the Post:
[HIMSS] had worked closely with technology vendors, researchers and other allies in a sophisticated, decade-long campaign to shape public opinion and win over Washington's political machinery.
You can read the whole article here.