Unity in the Gold Country, “which provides spiritual tools that help transform lives, is inviting the community to come to its center at 10:30 a.m. Sunday to join in the world-wide celebration of New Thought Day. Unity in the Gold Country’s celebration is also introducing Rev. Barb Walley, a seasoned New Thought minister, author and life coach who recently moved to Nevada City from the Midwest. She is speaking on the “River of Life,” sharing what helps or hinders the flow of our lives and will conclude in an uplifting meditation that “assists us as we merge with the Source …