CHICAGO (AP) — Two more beluga whales have died at Chicago’s Shedd Aquarium, including one that was rehomed at the facility just weeks earlier as part of an international eort to rescue Canada’s last captive whales, the aquarium announced Wednesday. Rain, a 20-yearold female, was the second to die out of a group of four whales that were moved to the Chicago aquarium in mid-August from a shuttered…