Not sure of the thought process here. Sanford is an embarrassment. Paul should have ignored this contest for sure.
Check it out:

Sen. Rand Paul (R-Ky.) is endorsing former South Carolina Gov. Mark Sanford’s (R) House campaign, a move that could help Sanford regain his footing in the race and improve Paul’s standing in the early-voting presidential state.

“More than anything, Washington needs strong and consistent voices for fiscal responsibility and liberty,” Paul said in a statement released by Sanford’s campaign.

“Mark has proven during his time in office that watching out for taxpayers and holding the line on spending are his top priorities,” Paul continued. “What we absolutely cannot afford is someone like his opponent, who will be yet another vote for a return to the Pelosi speakership, for disastrous programs like Obamacare, and for more spending and debt.

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