https://cdn.pixabay.com/photo/2018/03/20/06/33/palms-3242342_960_720.jpgThe bridge collapse, like other calamities, might be the results of overlapping small-chance failures, stated Edward Tenner, a historian and skilled on disasters — akin to what comes about when, by chance, the holes in a very stack of Swiss cheese slices line up properly.It i