While long seeming content to play second fiddle to his elder brother, he is now front and centre as the nation’s leader. Shehbaz Sharif, Pakistan’s new prime minister, initially had a low-profile political career, supporting his brother who ruled the country three times. The 72-year-old younger brother of former premier Nawaz Sharif, his political growth was stunted as he laboured in the shadow of the larger-than-life leader. “It was like grass growing under a tree with branches full of leaves, without enough sunshine and moisture,” said Irfan Shehzad, who heads the Islamabad-based Eurasian C…