Pakistan's military has sent ground troops into North Waziristan, as it stepped up its battle against the Pakistani Taliban and their allies. But everyone is worried about, what price they will have to pay for it. Al Jazeera's Nicole Johnston reports from Islamabad. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/