The United States has extended a key nuclear arms control treaty with <a href="https://www.cnn.com/2021/01/31/europe/russia-navalny-protests-intl/index.html" target="_blank">Russia</a> for five years, Secretary of State Antony Blinken announced Wednesday.

"Extending the New START Treaty makes the United States, U.S. allies and partners, and the world safer. An unconstrained nuclear competition would endanger us