A second Dawson County Hospital District incumbent and a current Lamesa school board member have now thrown their hats into the ring for the May 6 elections.Hospital board Secretary Nicky Chapman, occupying the at-large seat on the board, filed Tuesday as a candidate for re-election to that position.Another hospital district incumbent, Mike Johnson, representing the board’s District 3 spot, was the first to file in the race when the filing period began three weeks ago.The District 1 seat on the hospital board, currently held by board President David Sanderson, also is up for election this year.Lamesa school board incumbent Ron ...