when you're there, and some of you have been there, you're going to see women, young people standing in the middle in 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 of talking about an ephemeral threat to divert attention. president biden and eu leaders know that russia will feel far more pain if europe buys less of its oil and gas, a tough ask for countries that are