By the time my nephew is one year younger than I am now (31), Christians will be a minority. I can certainly believe that US presidential candidates who are more secular at their core will take office over time, since people will obviously vote for the lesser of the two evils each and every time.

http://www.salon.com/2014/03/25/calling_the_christian_right_soon_you_will_be_outnumbered_partner/