President Barack Obama urged newly empowered Republicans on Saturday not to wage "symbolic battles" against him but to instead work together to help spur job growth and economic recovery. Obama issued his appeal in his weekly radio address after Republicans took power in the House of Representatives on Wednesday, setting up potentially fierce fights with the president and his Democrats on spending, debt and healthcare. "Our fundamental mission must be to accelerate hiring and growth," Obama said. He touted as an example of bipartisan cooperation a massive compromise tax cut package approved by Congress last month that he said had...