Nearly a year into the war, Ukraine is preparing for a Russian offensive this spring. Aid from Western allies has bolstered Ukraine's defense but Russia has an advantage when it comes to numbers.
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A Martínez is one of the hosts of Morning Edition and Up First. He came to NPR in 2021 and is based out of NPR West.
Frank Langfitt is NPR's London correspondent. He covers the UK and Ireland, as well as stories elsewhere in Europe.