Ukraine is now allowed to use U.S. weapons to hit Russian territory but what are the consequences of Washington's latest green light with regards Vladimir Putin's red line? Kyiv's pleas with the U.S. to use its weaponry inside Russia grew over the last month as Moscow's troops made gains in Kharkiv and Ukraine could not stop missiles from targeting its northeast region. Secretary of State Antony Blinken's comment that Washington's has had "to adapt and adjust" to the war...