-Analysis- BUENOS AIRES — The brutality of Venezuela’s socialist regime is usually a measure of its weakness. Seemingly as its prospects worsen, it has returned, instinctively, to the tried-and-tested formula of ruling by force. It is how the so-called Bolivarian revolution has run Venezuela for 25 years. And its claims of being revolutionary and ruling for the people are merely to allow it the type of rights violations immediately pounced on should they occur in any right-wing regime. Like this last one: without a peep from anyone in Latin America, Venezuela’s commissar-filled Supreme Court b…