A heartbreaking image has surfaced of US President Joe Biden wearing a necktie at the G20 Summit with a highly emotional significance. On May 30, 2015, former Delaware Attorney General Beau Biden died after a battle with brain cancer, which the president has previously attributed to his time stationed near toxic burn pits in Iraq. The tie worn by the president is said to have been specially designed by Beau's Ties of Vermont for the Beau Biden Foundation - a child protection charity set up in