vice president bidesen in poland warning russia the u.s. and europe will impose further sanctions on moscow because it has annexed crimea. into the vice president using harsh language to describe the unfolding events. >> really cutting to the chase on this, del. they took a look at president putin's speech in moscow and are calling his assertion that he send troops into crimea to save ethnic russians there from violence or death, putin used the word death as some kind of fiction. the vice president biden in poland seriously questioning the russian president's version of events. he characterized what happened as brazen military intervention by russia, a land grab. the world has seen through russians actions and flawed logic of president putin and he promised isolation of russia and more sanctions and sought to reassure poland and countries on russia's borders that nato will protect them. no president obama and i view article 5 as a solemn commitment not only for our time but all time we take it deadly serious and our commitment is unwavering