An amateur bodybuilder who admitted sending pipe bombs to prominent Democrats and CNN has been sentenced to 20 years in prison by a judge who concluded the bombs were not designed to explode.
Ten Democratic presidential hopefuls have faced off in a televised US debate that laid bare the struggle between a call for revolutionary policies and a desperate desire to defeat President Donald Trump.
Moderate Democratic presidential contenders pushed back against liberals on as the second round of presidential debates opened with a fresh clash over the direction of the party.