President Donald Trump’s former national security adviser says there’s no substance to National Security Adviser Tulsi Gabbard’s allegations of treason against former President Barack Obama.

The director of national intelligence told Americans this week that what everyone has known about the 2016 election is backwards.

Gabbard then doubled down on the accusation and unsealed a formerly-classified House Intelligence Committee report on Wednesday that cast doubts on the European country’s interest in the 2016 election...