run with the fox and bark with the hounds

Run with the fox and bark with the hounds is another way of saying you support both sides of a dispute. If you are running with the fox, this is how you are siding with this creature, while barking with the hounds is another way of saying you are also siding with this creature. The phrase is often used as a way to encourage someone to support both sides of a dispute as well as a way to say you shouldnt do this when said as a negative remark.