come back after he rolled back regulations. however, the reality is very different. accord to the u.s. energy administration, coal production is on target to hit a record low this year and fewer permanent employed by mine contractors and operators now than there were when president obama was in office. it remains unknown how democrats and miners will agree on a plan to transform our energy s future, john kerry is the last presidential candidate to tour a mine with coal workers and that was back in 2004. while the democratic candidates haven t said much about coal, many of them have been talking about big tech. silicon valley make up four of the five valuable companies in america but they find themselves under fire from data privacy practices and critics who want to see them broken up. silicon valleynd at tech industry in general have seen huge changes over the past few decades. in her new book out today, the