1. Newspaper headlines: ‘Putin’s nuke threat’ and ‘Farmageddon!’  BBC.com
2. For Russia, Nuclear Weapons Are the Ultimate Bargaining Chip  The New York Times
3. Vladimir Putin’s chilling nuclear threat has one strategic target. It’s not Joe Biden  Sydney Morning Herald
4. Putin issues warning to United States with new nuclear doctrine  Reuters
5. Ukraine foreign minister: ‘The United States cannot afford to look weak’  The Hill

Source: Google Finance – Market News