Republican presidential candidate Donald Trump is citing a spate of recent crimes in Germany on New Year's to bolster one of his central campaign messages: Immigrants are bad. "Germany is going through massive attacks to its people by the migrants allowed to enter the country. "THINK!" the GOP front-runner wrote on Twitter Wednesday, referring to a series of sexual assaults reportedly conducted by North African- or Arabic-looking men over the holiday. On New Year's Eve, as many as 1,000 young men circled women in the German city of Cologne groping and, in one reported case, raping women. German police have...