Trump defends eldest son over Russia 'dirt' emails

Donald Trump defended his eldest son Wednesday over emails showing his embrace of Russian efforts to support the billionaire's presidential campaign in a shock disclosure set to fuel speculation over Moscow's suspected role in the vote.The revelation puts the president's son at the center of a burgeoning scandal involving multiple US investigations into whether Trump associates colluded with Moscow in its efforts to tilt the 2016 election in the Republican's favor.