Humans! Please prevent one more monstrous bloodshed

Secretary Kerry and the Russian foreign minister Sergey Lavrov have agreed to remain in touch.

The Crimean referendum is on Sunday.

What about Ukrainian people themselves?

Should they organize peaceful marches all across their motherland to express fraternal feelings for each other?

Should they "pledge" to safeguard interests of minorities?

How can people everywhere--including Russia--join in these efforts?