Opposition members carry a Venezuelan flag during a protest against Venezuela's President Nicolas Maduro in Urena, Venezuela, Tuesday, Feb. 12, 2019. during a protest against his government in Urena, Venezuela, Tuesday, Feb. 12, 2019. Nearly three weeks after the Trump administration backed an all-out effort to force out President Nicolas Maduro, the embattled socialist leader is holding strong and defying predictions of an imminent demise. (AP Photo/Fernando Llano)