By Gemma Jones & Zara Woodcock Countryfile’s Adam Henson is set to host a heartwarming lambing season special on BBC One tonight, giving viewers an intimate look at life on his Cotswolds farm. The 58-year-old presenter will be seen assisting with the birth of lambs and checking in on his menagerie, including Highland calves, Gloucester old spot piglets, and a new Exmoor pony foal. Fans of the show can also expect a nostalgic trip down memory lane with archive footage from past lambing seasons. But behind the scenes, Adam has faced personal challenges. He married his partner Charlie in a privat…