The stimulating, high-spirited and uncompromising “Campaign” captures the struggles that come with a hot-but-hard-to-get situation (an impediment most of us are likely to go through at some point in our lives). I foresee “Campaign” haunting all radio stations all the way into the new decade; as it should! This song certainly does not play around; it’s as if it’s here to ask the question “What’s the limit of a vibe?”…