Tulsi Gabbard has blocked a key report on climate change.
The U.S. intelligence community publishes the unclassified "Global Trends" report every four years to assess global future scenarios and their impact on the United States.
According to senior national security officials, these reports prompt policymakers to focus on strategic threats and provide a platform for international cooperation.
They provide a rare impetus for policymakers to shift their focus from their daily inboxes to the strategic threats on the horizon.
Author's summary: Politics affects US intelligence reports.