WATCH: Trump defends Ramaswamy's attack ad against Acton amid bipartisan criticism

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.

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.