Support for same-sex marriage has risen across the board in the last four years, new polling data shows, signalling a shift in the overall political and social views of Americans. The new data, released Wednesday by the Pew Forum on Religion and Public Life, shows a higher percentage of Democrats, Republicans, whites, minorities and people of all generations support same-sex marriage legalization.... Among voting groups, there has been an increase in support for same-sex marriage even among Republicans. Since 2008, Democrats have jumped in support from 50 to 65 percent; Republicans from 19 to 24 percent; and Independents from 44...