Highlights of Early Exit Poll Results  —  Highlights of preliminary results from exit polls conducted for The Associated Press and television networks in Tuesday's presidential primaries in Ohio, Texas, Rhode Island and Vermont:  —  ___  —  OPEN TO ALL  —  The primaries in Ohio …

Clinton scrambles to freeze defectors  —  A behind-the-scenes battle broke out late Tuesday over superdelegates who had secretly committed to Sen. Barack Obama (D-Ill.), with Clinton campaign officials scrambling to “freeze” them before they announced support for him.

EXIT POLL: ‘Change’ Tops 'Experience"... Again  —  In Vermont, Obama Wins Across All Demographic Groups  —  The theme of change continues to resonate in Ohio and Texas, but not by as wide a margin as in most previous primaries.  The ability to “bring needed change” beats “experience” …

NBC: McCain locks up GOP nomination  —  4 wins push him over 1,191 delegates; Huckabee drops out  —  Sen. John McCain of Arizona rolled up victories Tuesday in primaries in Ohio, Texas, Rhode Island and Vermont, capturing enough delegates to secure the GOP nomination, according to projections by NBC News and the Associated Press.

Early Views From The Clinton/Obama Campaigns  —  Note: NONE of this information comes in any way from my own knowledge of embargoed exit polls.  All references to the exit polls come from the campaigns themselves.  —  The Obama campaign expects to net seven or eight delegates out of the night …

As Four States Vote, Clinton Talks About a Long Battle  —  As voters in Ohio, Rhode Island, Vermont and Texas headed to the polls potentially to decide the Democratic nomination for the presidency, Senator Hillary Rodham Clinton on Tuesday urged voters to settle in for a nomination fight that could roll on for months to come.

Gallup Daily: Obama 45%, Clinton 45%  —  Based on polling conducted March 1-3, 2008  —  PRINCETON, NJ — Gallup Poll Daily tracking finds Hillary Clinton and Barack Obama tied once again, with 45% of Democratic voters nationwide preferring each as the party's 2008 presidential nominee.

Caucus Problems In Texas  —  The Clinton campaign said tonight that Obama precinct workers illegally obtained caucus packets in the following Texas caucus precincts:  —  Precinct 2316 in Tarrant County  —  Precinct 1205 in Dallas County  —  Precinct 3127 in Bexar County  —  Precinct 3082 in Ft. Bend County

Obama General Counsel Crashes Clinton Press Call On Voting Irregularities In Texas; Engages In Heated Exchange With Clinton Staff  —  This evening, the Clinton Campaign held an urgent press call to discuss reported incidents of voting irregularities and intimidation taking place at primary conventions …