Deepti Choubey
{
"authors": [
"Deepti Choubey"
],
"type": "legacyinthemedia",
"centerAffiliationAll": "dc",
"centers": [
"Carnegie Endowment for International Peace"
],
"collections": [
"U.S. Nuclear Policy"
],
"englishNewsletterAll": "ctw",
"nonEnglishNewsletterAll": "",
"primaryCenter": "Carnegie Endowment for International Peace",
"programAffiliation": "NPP",
"programs": [
"Nuclear Policy"
],
"projects": [],
"regions": [
"North America",
"United States"
],
"topics": [
"Nuclear Policy"
]
}Source: Getty
Don't Wait For the United States
The Obama administration's push for securing ratification of the CTBT is a welcome change in US policy, but will not guarantee the CTBT's entry into force. Both nuclear and non-nuclear-weapon states as well as civil society must contribute to efforts to seek US ratification of the CTBT and pressure hold-out states to do the same.
Source: CTBTO Spectrum

CTBT proponents are encouraged by the Obama administration's declaration that it will seek ratification and then mount a full diplomatic effort to get hold-out States to do the same. This change in U.S. policy is welcome, but to assume that action by the Obama administration alone will guarantee the CTBT’s entry into force is a mistake. Both nuclear and non-nuclear weapon States as well as civil society must act now if Obama’s leadership is not to go to waste. Their efforts can increase the prospects of U.S. ratification and pressure CTBT laggards.
Read the full article in the CTBTO Spectrum.
About the Author
Former Deputy Director, Nuclear Policy Program
Choubey was previously the director of the Peace and Security Initiative for the Ploughshares Fund. She also worked for Ambassador Nancy Soderberg in the New York office of the International Crisis Group.
- Understanding the 2010 NPT Review ConferenceQ&A
- Defining Success for the NPT Review ConferenceArticle
Deepti Choubey
Recent Work
Carnegie does not take institutional positions on public policy issues; the views represented herein are those of the author(s) and do not necessarily reflect the views of Carnegie, its staff, or its trustees.
More Work from Carnegie Europe
- Taking the Pulse: Are Western Democracies Failing Free Speech?Commentary
The battle over free speech has taken center stage since U.S. Vice President JD Vance accused Europe of censorship. From travel bans to social media regulation, especially around the Israel-Palestine conflict, are liberal democratic governments weaponizing free speech?
Rym Momtaz, ed.
- Europe Should Not Let Nuclear Nonproliferation DieCommentary
Amid uncertainty caused by the Iran war, the global drive for nonproliferation has stalled. With Europe diplomatically marginalized and countries reassessing their nuclear options, efforts to curb the spread of nuclear weapons risk becoming irrelevant.
Jane Darby Menton
- Can Europe Compete with the United States and China?Commentary
Between the United States’ market-driven approach and China's state-led industrial strategy, Europe is reckoning with how it can remain competitive in the global economy. But is Europe in danger of becoming a U.S. or China colony?
Noah Barkin, Anu Bradford
- Trump Turns NATO into a Tool of CoercionCommentary
The full list of humiliations Europe has endured since Donald Trump returned to the White House makes for grim reading. But Washington’s adversarial approach to its allies undermines its own power base.
Rym Momtaz
- Taking the Pulse: Is it Worth it for Europeans to Placate Trump?Commentary
After spending much of 2025 trying to placate Donald Trump, some European leaders are starting to change posture. But is even a hostile Washington still so important to Europe that the U.S. president’s outbursts are worth putting up with?
Rym Momtaz, ed.