A Newbury schoolboy is half-way through a mammoth charity challenge aimed at tackling hunger and homelessness. Eleven-year-old Oscar Best has tasked himself with rowing 60km for homelessness charity, Loose Ends — despite never having rowed before. And with just two weeks remaining, he needs the public’s support to reach his £500 fundraising target. “He’s always been very conscious of homeless people and doing what he can to help them,” said Oscar’s mother, Lyndsey Best. “He decided he wanted to something a bit different. He was really specific about who he wanted to raise the money for.” Oscar…