OLDWICK, N.J.--(BUSINESS WIRE)--In this A.M.BestTV episode at the Risk and Insurance Management Society, Inc.’s (RIMS) conference in Boston, MA, a panel of industry experts said insurers face many challenges in underwriting the changing cannabis industry. Click on http://www.ambest.com/v.asp?v=rims3419 to view the entire program. Legal cannabis is a rapidly growing industry, with reports estimating a $166 billion market emerging. Nancy Bewlay, chief underwriting officer, long-tail risk, Axa XL,…