Hitler had a stated policy of starving subject peoples to death. The man’s evil was virtually limitless.
One of Hitler’s many strategic blunders on the Eastern Front, deciding to beseige Leningrad instead of taking it outright when it was within his grasp.
http://www.freerepublic.com/focus/f-chat/3115855/posts
An absolutely wonderful presentation of the “Eastern Front” campaign is in Dan Carlin’s “Hardcore History” multipart Podcast.
“The 900 Days: The Siege Of Leningrad” by Harrison E. Salisbury is about as gripping a tale as you’ll ever read.