Non-ARG Wisconsin stands at Obama 47.3%--41.3% Clinton across four polls, while non-ARG Texas stands at Clinton 51.5%--39.5% Obama. As the only polling outfit showing Clinton ahead in Wisconsin, and also the only polling outfit showing Obama ahead in Texas. ARG continues to be a consistent outlier.
Clinton has a little more than four days to close a 6% gap in Wisconsin, while Obama must win Wisconsin in order to close a 12% gap in Texas and a 16% gap in Ohio. Nothing much has changed since yesterday: Wisconsin is still a must win for Obama, while Texas and Ohio are must-wins for Clinton. Then again, Clinton might be able to survive March 4th if she wins three of the four states, and only narrowly loses one of the two large states. Of course, winning is hard to define, since it is possible that Clinton could win the Texas primary, but Obama could still gain more delegates via the caucus and regional allocation.
My bet is that Obama wins Wisconsin, but that Clinton hangs on to take Ohio, Rhode Island and at least the primary portion of Texas on March 4th. Obama will almost certainly still be ahead by more than 100 pledged delegates after March 11th, but that might still not be enough to knock Clinton out of the campaign before Pennsylvania.