Who is ‘Fang Fang’? Chinese spy who seduced Eric Swalwell with ‘no underwear’ line — and her newly unearthed FBI codename

Chinese spy Christine Fang — also known as “Fang Fang” — had an impressive run infiltrating California politics that included Ambien-fueled romps with disgraced Rep. Eric Swalwell before vanishing back to her home country, newly released FBI files show. The “…