To the editors: Robin Matthews ["Postmarks," Aug. 8] confuses process and substance in his call to bring Sen. Barrientos back from "his 'escape' from democracy." Like an aging pugilist who has taken too many punches, Matthews falsely assumes there is nobility in taking a beating, if it is fighting the good fight. Make no mistake about it, there is no "good fight" to be had in this bout. The old fixeroo has been phoned in from the banks of the Potomac. That this is the case is easily deduced from the abrupt about-face of the Lt. Governor, who gave up his somewhat noble foray into education-funding reform in a heartbeat when he had his chain jerked with sufficient force. If Mr. Matthews would reestablish contact with his former government teaching experience, he might rather pine for the lost democracy planned for the disenfranchised rural and minority Texas voters who are the intended victims of this GOP foolishness. That the intelligent and principled Republican Sen. Bill Ratliff has no stomach for this mess and continues to oppose it should be reason enough to understand that the opposition and drastic action of the 11 Democrats is no "childish behavior."