The Trump campaign’s efforts to collude with the Russian government against Hillary Clinton have now been established. Donald Trump’s son, Don Jr, produced emails on Tuesday that corroborate a meeting where he and the campaign’s top leadership sought compromising information about Clinton, sourced to the Russian government.

Trump and his allies have been caught in a full year’s worth of lies. Republican congressional leaders have been caught covering up a conspiracy. The question now is what anti-Trump forces can do to make accountability more likely.

Greg Sargent, author of the Washington Post’s Plum Line blog joined us by phone to discuss these issues and more.