(CNN) - As the voting in Texas, Ohio, Vermont, and Rhode Island approaches, things are heating up between Sens. Hillary Clinton and Barack Obama. Senior Political Correspondent Candy Crowley reports on the latest back-and-forth between the two remaining Democrats vying for their party's nod.
Republican front runner John McCain continues his march to collect enough delegates to officially garner the GOP's nomination. Dana Bash reports on McCain's latest comments about the Iraq war.
Senior Political Analyst Bill Schneider reports on a new CNN/Opinion Research Corporation poll of likely primary voters in Texas.
Finally, Brian Todd keeps them honest and does a fact check of claims by Clinton and Obama on the North American Free Trade Agreement.
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–CNN Associate Producer Martina Stewart