Trump’s culture of cruelty spreads.

© Aleksey Kondratyev for The New York Times

The fallout from Vivek Ramaswamy’s brutal spot targeting his Democratic rival in the Ohio governor’s race showed that even in the Trump era, a political attack can be seen as going too far.

© Shannon Stapleton/Reuters

President Donald Trump said Thursday that Vivek Ramaswamy, the Republican nominee for Ohio governor, should keep running a controversial ad featuring the estranged mother of Democratic opponent Amy Acton.