Martin County residents and locals in the Florida Treasure Coast region on the southeastern coast of Florida, a local rescue would like to introduce you to Merl, a 10-pound mini poodle who just needs a little time to warm up — and once he does, he’s all in. This sweet 8-year-old senior dog is available through The Farm Dog Rescue in Palm City, Florida, and he’s the kind of dog who, once he decides you’re his person, really commits to the role.…