go right into the states that will be disproportionately affected by the green energy dream and you include them as part of the solution and you invest in them as if your life depended upon it because it does. that was democratic presidential candidate kirsten gillibrand on saturday in new hampshire talking about the importance of investing in coal miners. her comments come just days after nearly 600 coal miners were suddenly left without work. and now the coal miners union is inviting the 2020 democratic candidates to come on an underground tour and hear from workers. the union says if democrats want to get back many who have deserted the party in the last several elections, it is coal miners who they need to win over. joining us now with more on that, nbc news correspondent heidi przybyla. heidi, what did you find out? hi, mika. this is really unusual. this is the first time that the coal miners have done this.