Florida Sets Primary Date

Sunshine State picks Jan. 31, 2012. IA, NH, NV, SC to move voting to early-mid Jan.

And/but, in email to four other state GOP chairs, FL RNC committee member apologizes, "embarrassed" by calendar change.

NH SecState will not rule out holding primary in 2011.

IA GOP chair will wait for NH to decide date before picking its own.

In statement, SC GOP chair says Florida decision "hugely disappointing," will not announce primary date Fri.

WI to move its primary back from Feb. to April.