By K.S. McNutt Staff Writer kmcnutt@oklahoman.comOn a 5-acre plot in far southeast Oklahoma City, eight Spanish goats are doing their part to help researchers study the removal of unwanted Eastern red cedar trees. They are eating the cedars, along with plenty other brush and weeds. The goats prefer the invasive species of tree, said Steve Hart, a goat extension specialist at Langston University. But not year-round.Read more on NewsOK.com