many as in 2014. overall, the united nations predicts more than 1 million freeing war, repression and instability will arrive on the continent in 2015. causing some nations to station drastic nations, erecting walls with razor wire and dog patrols to try to keep the desperate refugees out. hungarian police tear gassed hundreds at an overcrowded registration center on wednesday. there is plenty of evidence that democracies turn rabidly nationalist where there are immigrants on the horizon. reporter: but as europe tries to fortify its borders many countries on the eu fringe are finding it impossible to stem the flood of migrants seeking a better life. let s take a look at global