Crowded Airwaves

Political advertising plays a key role in modern electioneering and has formed part of political campaigns since the earliest federal elections were held in the United States. As modes of mass communication have evolved, so have the venues for campaign advertisingfrom newspapers to radio and television, and today, the Internet. Not only have the outlets for political advertising expanded over the past twenty years, so have the number of groups using it to convey information and advance their poi