Nato faces up to crises on its borders

By Jonathan Marcus BBC diplomatic correspondent

More from BBC

• Nato’s reaction force

• Frontier Finns

• Foreign fighters on both sides

• Chill with Russia

• Crisis mapped

• Why is Ukraine at war?

• Crisis timeline

• Search for soldier sons

• Putin’s strategy

• Key players

• Tank sighting

• Sanctions impact

• Russian aid or Trojan Horse?

• City under siege

• Sanctions targets

• Fears in Sloviansk

• Tense divide in Odessa

Related

Nimble New NATO Force to Take Form Next Year (NYTimes, Dec 2, 2014)