(Evan Agostini | Invision file phot via AP) Republican politician Mark Sanford speaks July 21, 2018, at OZY Fest in Central Park in New York. Sanford, the former South Carolina governor and congressman, has decided to launch a longshot Republican challenge to President Donald Trump. “I am here to tell you now that I am going to get in,’’ Sanford said in an interview on “Fox News Sunday,’’ Sunday, Sept. 8, 2019.