What's Suwalki gap? Europe's 'achilles heel' that it fears could be Putin's target

Saudi Arabia has asked the US to carry out repeated air strikes against the Houthis, according to a person familiar with the discussions. Washington has so far declined, leaving Riyadh to confront an expanding threat largely on its own. The hesitation is particularly significant for Crown Prince Mohammed bin Salman, who has spent years relying on the US as Saudi Arabia’s main security partner.