A new CBS4/Survey USA poll of 479 likely Democratic primary voters taken over the last few days shows the same lineup (Patrick, Gabrieli, Reilly) as the previous one, but the differences are small, and the margin of error covers most of them. Here are the results of the latest poll, which was conducted Monday 7/31 through Wednesday 8/2. The results from the last SUSA poll, conducted 7/9 through 7/11 on 417 likely Dem primary voters, are in parentheses. Patrick: 35% (37%) Gabrieli: 30% (27%) Reilly: 27% (26%) Undecided: 8% (10%) MOE: +/- 4.6% (4.9%) The movement from the last poll strikes me as so small, and so well within the margin of error, as to be insignificant: bottom line message seems to be “no change.” Which suggests that, rather than the CA/Tastrophe giving Reilly a boost (which I had thought it might), it seems to have put the campaign into a state of suspended animation. No effect from the Big Dig, no discernible effect from TV ads. That strikes me as good news for Patrick, since it’s better to be frozen in first place than not. UPDATE: The fact that everyone (so far) who has commented on this post thinks [...]