Vladimir Putin's commanders are forcing his conscript soldiers at gunpoint to remain at the frontline. They are using a brutal Stalin tactic to prevent Russian reservist troops leaving their positions, say men who have seen the horror of the cannon-fodder killing fields. 'People are abandoned in the trenches as if homeless and littered with corpses,' complained Russian reservist draftees in a new video appealing directly to Vladimir Putin. 'Retreat-blocking detachments were set up against us and they did not let us out of positions.' They are forced at gunpoint to remain in position, a tactic used by Stalin's cruel SMERSH...