- Pew Research Center survey shows Christian percentage of population dropping to 70%
- More than one-third of millennials say they are unaffiliated with any faith, study finds
- Just 3% of the religious "nones" call themselves atheists, a small bump from 2007
(CNN)At its core, Christian life is set of sacred traditions linking generations of sacraments and Sunday school lessons, youth ministry morals and family gatherings sanctified by prayer. An unbroken circle, in the words of an old hymn.