tea party activists are calling it the showdown in searchlight. searchlight, nevada that is, the hometown of senate majority leader harry reid. tea partiers are holding a rally there today calling on voters to defeat reid and other democrats in november for their role in passing health care reform. the tea party express will then travel across the country holding similar rallies in dozens of towns. the caravan's last stop is washington, d.c. on tax day, april 15th. now, today's rally in searchlight kicks off at 3:00 p.m. eastern time. former alaska governor sarah palin is the headliner. she'll be the keynote speaker, so stay with cnn for live coverage of palin's speech. from tea parties to coffee clutches, political activists are making some noise and cnn's deputy political director paul ste steinhauser is listening in to all of it. what's this all about, paul? >> reporter: it's a pretty new movement. it started at the beginning of the year and is called coffee