Read More... Donald Trump, Hillary Clinton (Credit: Reuters/Randall Hill/Mike Segar/Photo montage by Salon) Nearly half, 47 percent, of registered American voters would consider a third-party candidate if Hillary Clinton and Donald Trump were the major party nominees, according to a new NBC/WSJ poll. Support for third parties is steadily growing. Similar polls conducted during past presidential elections found that in 2012, 40 percent of voters would support a third-party candidate, and in 2008, 38 percent of voters would. The 2016 presidential campaign has inspired intense backlash against the establishment.