Anne Graham Lotz has done her share of thinking about the past, present and future of evangelism -- which is understandable since her father Billy Graham liked to call her the "best preacher in the family."

But in recent years, Lotz has had other serious issues to think and pray about, while caregiving for her husband before his death in 2015 and then her own surgery and a year of treatments after being diagnosed with breast cancer. 

At this point, Lotz believes "that the Lord has healed me." Thus, she is inching back into public life. 

She has been doing lots of thinking about the health of the modern church in an era of strained family ties, a rising tide of loneliness and legions of online demons lurking on digital screens. Consider, for example, a sobering dinner conversation she had with the president of a major seminary, as described in "Jesus In Me," her new book about the Holy Spirit.

"As we conversed, he confided that the number one problem that he faced with students at his school was pornography," wrote Lotz. She was shocked and asked him to repeat his statement. "Was he talking about the men and women who were studying at his seminary in preparation for Christian ministry as pastors, youth leaders, music directors, Bible teachers, seminary professors and other leaders in the church?"

Yes, the seminary president replied. The problem surfaced when staff examined the online search files on computers in a hidden corner of the campus library that students assumed was private.

Lotz is still struggling with that image and all that it symbolizes. 

Thus, when asked about the future of evangelism -- such as the "Just Give Me Jesus" revivals she led from 2000-2012 -- she stressed that she needs to focus her AnGeL Ministries work elsewhere, at least for awhile.

"The key is whether people are actually trying to live Christian lives and touch other people," said the 71-year-old Bible teacher, in a recent telephone interview. "People need something larger and more authentic than having more social-media followers on some website. ...