Guess this answer the question:
Sen. Marco Rubio (R-FL) raised eyebrows Monday when he told GQ he couldn't answer a question about the age of the earth because "I'm not a scientist, man
Having a top prospect for the 2016 presidential nomination say the age of the planet is "one of the great mysteries" comes at an awkward time for a party attempting to rebuild from its Nov. 6 drubbing at the hands of voters turned off by the GOP's embrace of social conservatives. But Rubio is hardly alone among potential Republican presidential contenders. Other big names for 2016 have weighed in publicly at various times over the years to position themselves as supportive of creationism proponents.
To science education advocates, these public statements fall into two categories: craven political panders to the conservative base and expressions of actual doubt in basic scientific principles. Both are disconcerting, the advocates say, and whether or not a president stands up for science has a broader impact than the education battles where creationism most often comes up.