OK, Lorraine Newman (who was quoted for the article) said ' I think Jane & I, and Gilda both witnessed it'.
No, Miss Newman. First of all, if you witnessed it, please just say so instead of starting out 'I think. ..'. Either you witnessed it or you didn't.
Secondly, that's three of you so that's a wrong usage of both. If you had said ' Jane and I both witnessed it- alongside our late colleague Gilda Radner. . ' that would have worked.
Lastly, I don't think it was just 'two bull mooses (sic)going at each other ' but one of them had to say something to get the other to