Re: PPP, MQM establish high-level contacts.
Who says its about switching sides? And even if it is, did PPP switch sides and become right of the center overnight? Did PML-N leave its rightist leanings for an alliance with PPP?
Joining one party one day, the other next. It's like if the Taliban were to join NATO tomorrow. They wouldn't lose their beards, but everyone would know who they are aligned with.