You are presenting the Obama/Hagel point of view, enough said.
Please, say more.
Have you adopted the lefts' favorite method of ad hominem attack rather than cogent argument?
Tell us, what are US interests in Ukraine and what would be the result of bringing Ukraine into the NATO treaty whereby were are obligated to defend their territory militarily?
What would be the result of sending arms to Ukraine...assuming you know of some magical way of getting them there in the face of Russian military opposition?