Sales of wild horses and burros will be restricted under new rules announced Friday by the U.S. Bureau of Land Management after an investigation into the sale of more than 1,700 horses to a Colorado livestock hauler who supports the horse meat industry.“It is a response to that inquiry, which is being conducted right now by the Office of the Inspector General of the Interior Department,” said Tom Gorey, BLM spokesman for the wild horse program in Washington, D.C.Wild horse advocates said the rules amount to “window dressing” and won’t end problems with the BLM program.The inspector general is investigating …