The final remaining agreement constraining U.S. and Russian nuclear weapons expired last week.

The New START treaty was established by President Barack Obama and his Russian counterpart Dmitry Medvedev in 2010. And since then the treaty has governed much of the global landscape concerning nuclear weapons and non-proliferation. Reporting suggests both sides remain in talks.

Yet as the U.S. threatens annexation, attacks nations abroad, and threatens to re-emerge as a colonial power in the Western Hemisphere, some are asking whether nuclear weapons have become a necessity for countries hoping to guarantee their sovereignty. Canada’s former defence chief Wayne Eyre has said we should “keep our options open” on acquiring nuclear weapons.

For more on the future of this landmark treaty, and the possibility of a nuclear arms race, we’re joined by George Perkovich. He is the author of a number of books on nuclear weapons and non-proliferation and Senior Fellow with the Carnegie Endowment for International Peace.

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