Options limited in resolving Ukrainian crisis

DESPITE blunt warnings about costs and consequences, US president Barack Obama and European leaders have limited options for retaliating against Russia’s military intervention in Ukraine, the former Soviet republic now at the centre of an emerging conflict between East and West.
Russian president Vladimir Putin has so far dismissed the few specific threats from the US, which include scrapping plans for Obama to attend an international summit in Russia this summer and cutting off trade talks sought by Moscow.