Migrants who commit crimes should lose their right to asylum, German Chancellor Angela Merkel said on Saturday, toughening her tone as police in Cologne confronted right-wing protesters venting their anger at mass assaults on women on New Year's Eve. Police in the western city fired water canon to disperse protesters from the anti-Islamic PEGIDA movement, which has seized on the alleged involvement of migrants in the New Year attacks and stepped up its calls for a halt to the influx. Nearly two dozen asylum seekers were among those suspected of carrying out the attacks, police said this week, heightening tensions...