Did Sanders say that a woman cannot be president or that that women in general lack the abilities?
While some headlines – including this question's title – claim that, this is not what Warren accused Sanders of:
Sanders responded that he did not believe a woman could win.
This is not a claim regarding women's inherent abilities, but a claim about ...
@tim's answer is excellent, but I'd like to address the question from a different angle.
This question's request for "earlier sources" is problematic. There were only two people present in the conversation, and they disagree. Any other claim of either verification or refutation is at best secondhand.
Since more direct evidence isn't available, it might be ...
I would like to present the same evidence as DavePhD's answer, but with a different summary of what it indicates.
NYC recognises 3 genders on Birth Certificates (M, F, and X)
The number 31 probably comes from a list of gender-related terms which are not "legally recognised genders"
There may be contexts where more than 3 options are recognised ...
This number seems to come from here:
The prevalence of suicide attempts among respondents to the National Transgender Discrimination Survey (NTDS), conducted by the National Gay and Lesbian Task Force and National Center for Transgender Equality, is 41 percent, which vastly exceeds the 4.6 percent of the overall U.S. population who report a lifetime ...
There is an official document on an official New York City website, which is a publication of the New York City Commission on Human Rights:
BILL DE BLASIO, Mayor • CARMELYN P. MALALIS, Commissioner/Chair
The document is titled, according to the URL, "Gender ID Card 2015".
The document lists the following 31 descriptors:
It is not stated that ...
According to The micropenis and the giant clitoris Salon 12 December 1999:
In Baltimore, intersexual Kiira Triea, 35, claims her genitalia "look like crap" because doctors treated her like an "exotic lab rat." Born with in-between organs, she was raised as a boy until doctors decided to feminize her at puberty. To accomplish this, they hacked off her ...
It might not be possible to answer this question. The 1/3 value might be accurate, but it isn't, and can't be, precise.
Psychology Today says:
Among youth who identify as sexual minorities, the likelihood of death by suicide has been estimated to be two to seven times greater than the likelihood of death by suicide among heterosexual youth (Haas et al., ...