Russian President Vladimir Putin told Austrian Chancellor Karl Nehammer Friday that attempts to blame Russia for difficulties in shipping grain worldwide were unfounded and pointed to Western sanctions instead, the Kremlin said. “Vladimir Putin stressed that attempts to make Russia responsible for the difficulties with the supply of agricultural products to world markets are groundless,” the Kremlin said after the phone call. “Detailed explanations have been given of the real causes of these problems, which have emerged due to anti-Russian sanctions by the United States and the European Union,…