The Ukraine peace summit in Switzerland concluded with mixed results, as only 80 of the 93 participating states approved the final declaration at the close of the two-day event on Sunday. Six countries from the G20 group of the world’s most important economic powers – Brazil, Mexico, Saudi Arabia, South Africa, India and Indonesia – did not back the communiqué, according to a list published by the Swiss hosts. The declaration, spanning just over two pages, condemns the threat of nuclear weapons, calls for the return of abducted Ukrainian children, and demands unhindered grain exports from Ukra…