U.S. unity with Europe vital to pressuring Russia on Ukraine

Aired: 2/9/2015 | 0:04:35 | Clip
President Obama and Germany’s leader Angela Merkel showed unity in their support for an end to fighting between Ukrainian forces and pro-Russian rebels, but there have been signs of a rift over whether to send arms to the Ukrainian government. Chief foreign affairs correspondent Margaret Warner joins Gwen Ifill to discuss what the president may do and the relationship between the two leaders.