McDonald’s will expand by 45 outlets in Russia by the end of this year, CEO Jim Skinner said as the company marked the 20th anniversary of the opening of the first landmark restaurant under Soviet rule in 1990. Skinner was visiting Moscow to celebrate the 20th anniversary of McDonald’s entry into the Soviet Union, which was then opening up to the capitalist West.The Pushkin Square McDonald’s held celebrations Sunday with Russian folk songs and buy-one, get-one-free deals. Its 1990 opening attracted thousands of Russians who stood in long lines to apply for 600 jobs at the restaurant executives say is the busiest in the world.The company, the world’s No. 1 fast-food company with 32,000 restaurants in 120 countries, is now in 60 Russian cities, serving more than 900,000 customers every day and employing 25,000 people, and plans to spend $135 million this year on its expansion.