BY RANDY ELLIS Staff Writer rellis@opubco.comEfforts to identify and prevent Oklahomans high on illegal drugs from receiving certain taxpayer-financed welfare benefits cost the state more than $82,700 in the first seven months after a new law took effect. The net result was 83 adults — about 4.4 percent of those applying — were denied benefits. Oklahoma's drug screening and testing program is more expensive — and arguably less reliable — than the one originally envisioned and proposed by then-state Rep.Read more on NewsOK.com