The Biden administration is finalizing plans to send the Patriot missile defense system to Ukraine that could be announced as soon as this week, according to two US officials and a senior administration official. The Pentagon’s plan still needs to be approved by Defense Secretary Lloyd Austin before it is sent to President Joe Biden for his signature. The three officials told CNN that approval is expected. Ukraine has been calling for the US to send the advanced long-range air defense system that is highly effective at intercepting ballistic and cruise missiles as it comes under a barrage of Russian...