THE NUMBERS, Texas (CNN-Opinion Research Corp. Poll)
Barack Obama, 50 percent
Hillary Rodham Clinton, 46 percent
The CNN-Opinion Research Corp., poll was conducted from Feb. 22-24. It included telephone interviews with 861 likely Democratic voters in the Texas primary and 751 likely Republican voters. The margin of sampling error is plus or minus 3.5 percentage points for both Democratic and Republican voters.
THE NUMBERS, Ohio (Quinnipiac Poll)
Hillary Rodham Clinton, 51 percent
Barack Obama, 40 percent
The Quinnipiac University poll was conducted Feb. 18-23 and involved telephone interviews with 741 likely Democratic voters. It had a margin of sampling error of plus or minus 3.6 percentage points.