Venezuela’s political deadlock presents a “delicate and complex moment” for the country, Venezuelan historian and political scientist Margarita Lopez Maya told CNN’s Hala Gorani, sitting in for Christiane Amanpour, on Monday.

The country’s simmering protests could come to a full boil at any moment, with a dramatic showdown shaping up between embattled President Nicolas Maduro, the former bus driver and handpicked heir of Hugo Chavez, and opposition leader Leopoldo Lopez.

Three people were killed in violent clashes in Caracas last week; Maduro's government blames Lopez, ordering his arrest on charges of murder and terrorism.

Lopez asserts his innocence and dropped out of sight, until last night, when he Tweeted a video call to action, saying he will lead peaceful march on the ministry of justice on Tuesday....