Rasmussen Reports robo poll shows Charlie Crist and Marc Rubio tied among likely GOP voters with 43% support each: Crist’s support has fallen from 53% in August to 49% in October. Rasmussen Reports noted at the time, “The fact that Crist has fallen below 50% in a primary against a lesser known opponent suggests potential vulnerability.”

Rubio’s name recognition has grown in recent months and he is now viewed Very Favorably by 34% of Likely Primary Voters. That’s up from 18% in August. As his name recognition increased, Rubio’s support in the polls has jumped from 31% in August to 43% today.

Crist, well known throughout the state, has seen his ratings go in the opposite direction. Just 19% now have a Very Favorable opinion of him, a figure that represents a double digit decline since August. ...

Rubio now leads by 12 points among men but trails among women voters by 11.

Fifty-two percent (52%) of conservatives favor Rubio. In October, Crist still had support from just over half the conservative primary voters.