The next U.S.-Russia nuclear arms race

• "The Pentagon envisions a new age in which nuclear weapons are back in a big way — its strategy bristles with plans for new low-yield nuclear weapons that advocates say are needed to match Russian advances and critics warn will be too tempting for a president to use."
• "[W]hen President Trump called on Congress to 'modernize and rebuild our nuclear arsenal' in his State of the Union address last week, he did not mention his administration’s rationale: that President Vladimir V. Putin of Russia has accelerated a dangerous game that the United States must match."
• "[T]he report issued on Friday, known as the Nuclear Posture Review, focuses intensely on Russia. It describes Mr. Putin as forcing America’s hand to rebuild the nuclear force."

• What's next: "The new document calls for far more spending — [at least] $1.2 trillion over 30 years ... Most of that money would go to new generations of bombers and new submarines, and a rebuilding of the land-based nuclear missile force that still dots giant fields across the West."

Go deeper: CFR President Richard Haass outlines the three biggest questions for President Trump's nuclear policy.