You've heard it suggested the United States is simply Europe on a 50 year delay. Supposedly most churches will be museums before our grandchildren reach adulthood.Though new numbers from Pew Research released this month point to a decline in American Protestants, no serious scholar believes Christianity in America is on a trajectory of extinction. And, as a Ph.D. researcher and practicing evangelical Christian, I say to those who've read recent reports and come to that conclusion, "Not so fast."You see, many in the U.S. who identify as Christian do so only superficially. These cultural Christians use the term but do not practice the faith. Now it seems many of them are giving up the Christian label, and those cultural or nominal Christians are becoming "nones," people with no religious label.Christian nominalism is nothing new. As soon as any belief system is broadly held, people are motivated to adopt it, even with a low level of connection. Yet, much of the change in our religious identification is in nominal Christians no longer using the term and, instead, not identifying with any religion.In other words, the nominals are becoming the nones.I've seen this in my own family. Growing up in an Irish Catholic community outside New York City, the Catholic Church was the church we didn't go to. Today, I am an evangelical Christian, and I attend church like one, but most of my extended family do not attend church, and don't bother to call themselves Catholics any longer. The nominals became the nones.Furthermore, the cultural value of identifying as a Christian is decreasing. When that happens, those whose connection to Christianity was more an identifying mark than a deeply held belief find they don't need that identity anymore. The label does not matter.When considering why someone does or does not label themselves a Christian, we see thr