(Reuters) – Russia has imposed personal sanctions on 61 U.S. officials including Treasury Secretary Janet Yellen and Energy Secretary Jennifer Granholm and leading defence and media executives, the Russian foreign ministry said on Monday. The ministry said it had imposed personal sanctions, which ban those named from entering Russia, in retaliation for “constantly expanding U.S. sanctions against Russian political and public figures, as well as representatives of domestic business.” It said the individuals were the heads of leading military-industrial corporations, media platforms, rating agen…