Ruby Rippey-Gibney — the former San Francisco City Hall aide whose affair with Gov. Gavin Newsom nearly upended his political career — will tell her side of the story for the first time in an upcoming Vanity Fair piece, The California Post has learned. Details of the piece remain unclear, but a source familiar with the matter said Rippey-Gibney intends to recount her perspective on the affair that rocked San Francisco politics in 2007 and has remained one of the most embarrassing moments in then-mayor of San Francisco Newsom’s life and career. The story comes as Newsom is widely expected...