I'm with you. It is just to obvious that Ras polls started showing a big improvement after Rasmussen was accused of bias by the left. Since then his polls have seesawed back and forth, fortunately they haven't gone above about -8 since then and that is still a very bad number for a President but I believe his true numbers are somewhere around -17 to -21.
Can't prove it of course but there was no big seesawing of numbers before Ras received his threat.