Ukraine must defend itself against a Russian "invasion," according to US defense and security expert Barry Pavel. He thinks Vice President Joe Biden's visit should deliver "tangible" results.
The trip from Donetsk to Sloviansk in eastern Ukraine is like a journey into a different country. The further one travels, the more apparent this becomes. DW's Roman Goncharenko describes a warzone without frontlines.
A government anti-terror campaign to root out pro-Russian separatists in eastern Ukraine threatens to turn into a fiasco. The country's demoralized forces are ill-equipped and defections are commonplace.
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