Texas voters go to the polls March 4 . Sen. John McCain is the clear front - runner on the Republican side . Sen. Barack Obama is on an 18 - state winning streak . Some strategists see Texas as a must - win state for Sen. Hillary Clinton .
Texas voters go to the polls March 4 . Sen. John McCain is the clear front-runner on the Republican side . Sen. Barack Obama is on an eight-state winning streak . Some strategists see Texas as a must-win state for Sen. Hillary Clinton .