Head of the state Duma of the Russian Federation on international Affairs Alexei Pushkov believes that North America, focusing on reactions to the desires of the Czech President Milos Zeman to come to the capital of Russia, I am Afraid that isolate the Russian Federation will not work. The American Ambassador to the Czech Republic Andrew Shapiro in a recent speech on national television criticized the planned visit of the Czech President in the capital of Russia for the 70th anniversary of the Victory over fascism. Head Zeman said he would not give the possibility to interfere with the tips of his foreign trips to any ambassadors. "focusing on the hysterical U.S. Ambassador to the Czech Republic, the U.S. capital was nervous about traveling on 9 may in the capital of Russia the leaders of the Nations of the West. Fear - isolation will not work, " Pushkov wrote in his own microblog on Twitter on the first day of the week. Relations between Russia and the United States worsened in connection with the situation in Ukraine. In July of last year States from the point of sanctions against certain individuals and organizations have moved to the measures against entire sectors of the Russian economy. Western countries from March 2014 has repeatedly imposed sentences because of the position of Russia in Ukraine. The last case of the use of such practices were the limits imposed in February 2015, when was enlarged EU sanctions List. A list of Russian citizens and organizations that have come under penalties - in the material of the Fin news