headed to ukraine as america fears sending forces over the border could start a world war, yet biden seemed to tell them they would witness the bravery of ukrainians "when you are there". the average citizen, look how they're stepping up, and you will see when you're there, you will see women, young people, standing in the front of a damn tank, just saying, "i'm not leaving". the white house quickly clarified that america has not changed its stance on sending troops into ukraine. what these forces might be asked to do if russia uses chemical weapons is a more complex question. mr biden says russia would pay a severe price and that nato would respond "in kind". the us will not go into detail about what the response to a chemical attack might be, but on the way here to poland the president's national security adviser did say the us has no intention of using chemical weapons under any circumstances. while russia is accusing america