Prep Talks News Today

>> russia says it reserves the right to use force to protect its military personnel and russians citizens in crimea. in response to the crisis, the united states, great britain, and france are suspending their participation in prep talks for the g-8 sum russia will host in june. to our guests in just a moment, but first cnns ian lee in the ukrainian capital kiev. ian, we are hearing about a new incursion with the border today. what do you know about it? >> reporter: candy, the ukrainian border s...