But Weiner's entrée could carry consequences for Quinn even if he doesn't pose a threat to defeat her. The top two primary vote getters will face each other in a run-off if no one garners 40 percent of the vote.
"The two people in the run-off are likely to be Bill Thompson and Christine Quinn," says Arzt. "Let's say by some miracle he gets into the run-off. I would call that a major victory."
Arzt says it seems like Weiner's agenda isn't to win the contest, but rather rehabilitate his image and re-launch himself on the political stage.
"I don't believe that Weiner is really going for anything except to get back into mainstream; he's been a pariah for so long," he says. "[His goal] might not even necessarily be politics, but maybe as a talking head in the future – maybe radio or television."
The primary election is scheduled for September 10.
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