Exclusive: Ramaswamy doubles down on explosive ad featuring rival's mother, despite backlash

Vivek Ramaswamy's campaign for Ohio governor is pouring $4 million into a bombshell ad in which his opponent's estranged mother attacks her daughter — doubling down on the message despite fierce bipartisan backlash, Axios has learned. Why it matters: Ramaswamy is gambling that the deeply personal attack by Amy Acton's mother — who Acton has said sided…