Well, it does take infidelity off the opp-research for all candidates. There’s that.
I am compelled to enter the Presidential Primary as a Republican for several reasons – the most important of which is to further and foster a national debate on our nation's debt, deficits and spending.
— Mark Sanford (@MarkSanford) September 8, 2019
“As a Republican Party, we have lost our way, and I’d say so on a couple of different fronts. First and sort of the epicenter of where I’m coming from is that we have lost our way on debt and deficits and spending. One of the hallmarks of the Republican Party and the conservative movement has always been how much do we spend. … I think as a party we’ve lost our way. The president has called himself the king of debt, has a familiarity and comfort level with debt that I think is ultimately leading us in the wrong direction.”
So he entered the race to cut the social safety net.