By Kanishka Singh WASHINGTON (Reuters) -U.S. Secretary of State Antony Blinken spoke with Pakistan Foreign Minister Bilawal Bhutto Zardari on Wednesday on relations between the two countries as they seek to repair ties that were strained under former Prime Minister Imran Khan. They also spoke about the situation in Pakistan’s neighbor Afghanistan and about the impact of the Russian invasion of Ukraine on food security in Pakistan and the rest of the world, the U.S. State Department said after their call. The Pakistan foreign ministry said Bhutto Zardari requested an easing in issuance of U.S. …