On a snowy March afternoon, a small convoy of taxis and hired cars rolled north along a New York country road that dead-ends at the Canadian border. Among those onboard: a Nigerian family of five, a Russian man traveling alone and a tearful South American woman named Giovanna. ...

A crowd of migrants at the U.S.-Mexico border has been stopped by barricades at the Bridge of Americas. They were preparing to make a mass entry into U.S. ...