How the US is trying to help Ukraine without triggering a wider war with Russia
by from CNN.com - RSS Channel - App International Edition on (#5WYH2)
The swift US rejection of a Polish plan to get MiG-29 fighter jets into Ukraine is the clearest example yet of the complications that the US and its NATO allies face trying to help Ukraine defend itself against Russia's brutal assault while ensuring they don't get dragged into a wider war.