Huawei dominated MWC as the largest exhibitor, illustrating the challenge facing the EU as it pushes to outlaw the Chinese supplier from European networks (Mathieu Pollet/Politico)

Mathieu Pollet / Politico: Huawei dominated MWC as the largest exhibitor, illustrating the challenge facing the EU as it pushes to outlaw the Chinese supplier from European networks — Chinese supplier thrives at Mobile World Congress in Spain even as Brussels pushes to outlaw. — BARCELONA — Huawei…