Ukraine's Internal Geography Drives Strife

<p>Despite a potential <a href="http://www.nbcnews.com/storyline/ukraine-crisis/truce-both-sides-ukraine-say-theyre-ready-negotiate-n33396">truce</a>, a divide is likely to continue in Ukraine along east-west lines. NBC News' Ayman Mohyeldin explains the long history behind the recent protests.</p><p></p><p></p>