Equal pay is just one reason Julia, a character created by the Obama campaign, would be better off under the president than under Mitt Romney, a Web graphic claims. The cartoon "The Life of Julia," compares the candidates' impact on Julia at a dozen points in her life.  At age 23, she’s shown reading a newspaper with the headline, "Equal pay 4 equal work." She’s starting her career as a Web designer. "Because of steps like the Lilly Ledbetter Fair Pay Act, Julia is one of millions of women across the country ...