By Liz Hall A married couple representing themselves as ‘life coaches’ in the US allegedly used a string of shell companies to run a Ponzi scam that raked in $8 million to $20 million and which allowed them to live a highly lavish lifestyle at others’ expense, investors claim in a class action, according to California-based Courthouse News Service. Named plaintiffs Cheri Lucas and April Fisher sued Coaching by Coral – which traded as The Secret to Life Coaching – and three of its affiliates or shells; their CEOs Coral Rose Grant and her husband Gary McGonagle Grant...