WorldView: Syrian army retakes vital road, Yemen POW talks, Sinn Féin finishes 2nd in Ireland ele…

In a major blow to insurgents, the Syrian Army has retaken the vital highway between Aleppo and Damascus. The United Nations is medating prisoner exchange talks between the warring parties in Yemen. And former IRA-linked party Sinn Féin came in a surprise second in Irish elections. CBS News' Gwen Baumgardner rounds up the headlines from London.

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