The US-Venezuela stand-off is escalating, amid a massive military buildup in the Caribbean. Donald Trump has declared Venezuelan airspace closed and is warning that land operations could begin soon. Will Trump really attack Venezuela? And if he does, what are the options for President Nicolas Maduro? Will he accept Trump's 'ultimatum' to relinquish power, or risk US military action? And how divided is Washington, as scrutiny grows over lethal boat strikes in the Caribbean? #NewsDesk #Venezuela #