The memoir is set to be released on June 14th.
Christie holds 15 percent while Bush and Paul are tied with 14 percent.
The eldest son of the US Vice President was first elected as the states Attorney General in 2006 and again in 2010.
Despite Huckabee’s early lead, 23.8 percent said that they are still undecided.
“When I get to heaven I’m not stopping to be interviewed,” he said. “I am heading straight in.”
Republicans are calling on Sen. Mary Landrieu (D-La.) to issue a clarification.
Sink, who was defeated narrowly by Rep. David Jolly (R-Fla.) in a special election earlier this year, would have been pitted against Jolly in the same political fight this November if she chose to run again.
Grimes, a Democrat, brought in $2.7 million, while McConnell raised $2.4 million.
Blackburn has not previously been widely seen as a potential 2016 contender.