Guyana, Exxon in talks after Venezuela dispute halts marine survey

CARACAS (Reuters) - Guyana's government is "in discussion" with Exxon Mobil after two ships searching for oil off the South American country's coast halted work following a weekend confrontation with Venezuela's navy, Guyana's foreign minister said on Monday.Both neighbouring South American countries said the Saturday incident had occurred within their territorial waters. A century-long border dispute has heated up in recent years as Irving, Texas-based Exxon has discovered more than 5 billion..