From NBC's Mark Murray
Prominent conservative Grover Norquist, president of Americans for Tax Reform, notes that at least 268,000 people yesterday attended 207 different tea-party protests across the country. And in an email to tax activists, he asks them to help update these numbers.

Some of the largest protests, per Norquist:
-- 15,000 in in Atlanta, GA
-- 10,000 in Sacramento, CA
-- 10,000 in Overland Park, KS
-- 7,500 in Dayton, OH
-- 7,000 in Nashville, TN
-- 5,000 in Dallas, TX
-- 5,000 in St. Louis, MO