MIAMI — Word from the Cuban government of a deadly encounter between its troops and a boat carrying armed expatriates is casting a spotlight on Cubans living in the U.S. who still harbor aspirations of a counter-revolution 67 years after a guerrilla uprising ushered in communism. Cuban soldiers confronted a speedboat carrying 10 people as the vessel approached the island and opened fire on the troops, who fired back, killing four and wounding six, Cuba’s government says. Cuba's deputy foreign minister on Thursday said communication about the firefight is underway with U.S. officials , who say at least one American was killed and another wounded. One of the four killed was Michel Ortega Casanova – a man on an “obsessive and diabolical” quest for Cuba’s freedom from current circumstances, his brother in Florida said. Misael Ortega Casanova said his brother Michel is an American citizen who has lived in the U.S. for more than 20 years and still agonizes over the suffering that Cubans endure. “They became so obsessed that they didn’t think about the consequences nor their own