The appearance will come just days before Sen. Rand PaulRandal (Rand) Howard PaulLexington mayor launches bid for Congress Trump-free Kennedy Center Honors avoids politics Meet the Iran hawk who could be Trump's next secretary of State MORE (R-Ky.), another 2016 prospect, heads to the state. Earlier this month, Paul's office confirmed he would be the keynote speaker at the New Hampshire Republican Party's Liberty Dinner. Paul is also expected to deliver the keynote speech at the Iowa Republican Party's Lincoln Dinner in Cedar Rapids on May 10, further evidence that candidates may already be gearing up for the next presidential election.

While Jindal is among the highest-profile Republican governors, his poll numbers have been in free-fall in his home state amid an aborted attempt to replace the personal and corporate income tax with a statewide sales tax.

A poll last month by Southern Media and Opinion Research found that 63 percent of Louisiana voters opposed Jindal's tax plan, while his approval rating had plummeted to 38 percent, lower than even President Obama's in the solidly Republican state.