SANTAIGO, Chile, May 15 (UPI) -- The departure of more than 30,000 Venezuelan workers from Chile's labor market in recent months has become an unprecedented trend that analysts say appears linked to tougher immigration policies under President José Antonio Kast and, to a greater extent, Venezuela's political reconfiguration. A study by the Economic Context Observatory at Diego Portales University found that the Venezuelan labor force in Chile fell 5.4% during the January-March quarter, marking