Relatives of two Chicago-area siblings who were 'best friends' and who were killed when a boat capsized in Lake Geneva in Wisconsin Friday are raising money to donate to charity in their memory. The children, identified by family as 6-year-old Caleb Oswald and 7-year-old Abigail Oswald were two of three children killed when the boat capsized Friday afternoon as a severe storm system swept across Walworth County with peak winds between 90 and 100 mph. The third child, who was 10 years old, hasn’