A political analyst warns that DAP ‘s support for Dr Mahathir Mohamad as Pakatan Harapan’s (PH) candidate for prime minister could once again put a dent in his grassroots backing, as cracks in the coalition are widening in disputes over his nominee for top post in the country. Awang Azman Awang Pawi, from Universiti Malaya, said DAP ‘s call for …