Campaign manager 's departure is latest sign Weiner 's mayoral bid is struggling . Comment: Weiner said he could n't say for sure how many more women might come forward .
Campaign manager 's departure is latest sign Weiner 's mayoral bid is struggling . Weiner has acknowledged he did n't stop having raunchy online chats after he left Congress . Weiner said he could n't say for sure how many more women might come forward .