Wow! Fiorina really did some damage in that debate.

Wow! Fiorina really did some damage in that debate.

As did Rubio, to a lesser extent.

As of Sept 4th, the self-identified Republicans expressed these preferences: Trump 32%, Carson 19%, Fiorina 3%, Rubio 3%.

Now: Trump 24%, Fiorina 15%, Carson 14%, Rubio 11%.

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In response to "Who did best in the debate?", Republicans who watched at least one debate answered:

Fiorina 52%, Rubio 14%, Trump 11%.

Interestingly, in response to who did worst, they liked Trump less than Rand Paul. (Trump 31%, Paul 22%)