Major political parties have started flexing their muscles for the local bodies elections scheduled to be held in Sindh’s cantonment boards on a party basis on September 12.There are eight cantonment boards in Sindh — six in Karachi and one each in Hyderabad adn Pano Aqil — and elections are held for general councillors in as many wards.The Pakistan Peoples Party, the Muttahida Qaumi Movement-Pakistan, the Pakistan Tehreek-e-Insaf, the Jamaat-e-Islami, the Pak Sarzameen Party and the...