Animal lover? Brace yourself for Laure de Clermont-Tonnerre’s feature directorial debut, The Mustang. As explained in the opening title cards, wild mustangs freely roaming the United States are being threatened by overpopulation, limited resources and also the privatization of public lands. As a form of population control, the federal government rounds up thousands of these mustangs a year, transports them to holding facilities and then some are euthanized. But, a few hundred of them are actually sent to prisons and there, they are trained by inmates and put up for sale at public auction. In The Mustang, we …