ISLAMABAD: Pakistan Tehreek-i-Insaf (PTI) founding chairman Imran Khan has appointed four more focal persons of the party. With the addition of four more people to the party, the total number of focal persons has reached seven. Earlier, there were three focal persons: PTI Chairman Barrister Gohar Ali Khan, Sher Afzal Marwat and Umair Khan Niazi. The four new focal persons …