Is world war three brewing?

See article links below:
http://www.theblaze.com/stories/2014/03/18/how-sanctions-against-russia-could-signal-the-beginning-of-world-war-iii/
http://www.thetotalcollapse.com/to-save-mankind-obama-must-be-impeached-us-govt-must-be-removed/
http://www.theepochtimes.com/n3/569129-world-war-3-nato-planning-military-exercises-in-poland-after-crimea-land-grab/
http://dissidentvoice.org/2014/03/us-launches-a-fascist-government-and-world-war-iii-in-ukraine/