Popularly known as Chief Zebrudaya Alias 4.30, Mr. Chika Okpala tapped into a stream of humour, thrilling millions of Nigerian viewers. Now, decades into his exploits, the comedian discovers an even more potent flow. Happily, he tells the world the many blessings he and his family have received through the ministration of the Morning Water.   The message the young man relayed on the phone was reason enough for Mr. Okpala to be disturbed. Henry Afam, his son, was in the Republic of Belarus, pursuing a Master's degree in Telecommunication Engineering at the Belarusian State Technological University. Six months into the course, his heart, a vital organ in the body,…