Venezuela opposition vows fresh protests despite deaths

Opponents of the Venezuelan government vowed fresh huge protests on Thursday, upping the ante in their bid to oust President Nicolas Maduro after a day of deadly clashes in the oil-rich but beleaguered nation.A 17-year-old boy and a 23-year-old woman died after being shot Wednesday during massive protests, and a soldier outside Caracas was said to have been killed, bringing to eight the number of people killed this month in a mounting political crisis.Riot police fired tear gas to force back sto