Tim Tebow struggled to hold back tears as he spoke about the impact Ravi Zacharias' ministry has had on his life after learning that no other treatment options are available for the minister's advanced stage of cancer. Zacharias has been battling a rare form of bone cancer since March and was recently informed by doctors that there’s nothing more they can do. On Friday, Ravi Zacharias International Ministries shared a health update from Sarah Davis, CEO of RZIM and Zacharias' daughter, who informed the ministry's global staff about her father's condition. “We have just learned that while the tumor in...