ANN ARBOR, Michigan, April 2 -- The University of Michigan posted the following news: * * * Lesotho: Where we learned to be human U-M expert explains archaeological significance of small African country, a vital source of freshwater and crucial to the study of biodiversity A rainbow arcs over the Maloti Mountains in highland Lesotho.s courtesy: Brian Stewart, University of Michigan President Donald Trump says "nobody has ever heard of" Lesotho, the tiny southern African kingdom that is t  more