Why Did Kristallnacht Take Place?

Why did Kristallnacht take place
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Both sources clearly describe the same event. Source A is a summary of an account by a journalist who was working for a nazi newspaper before the war. The journalist's name is Fritz Hesse and was written in 1954. Fritz Hesse recalls a conversation he over heard between Goebbles and Hitler at a dinner in Munich on the 9th November 1938. An officer whispered to Goebbles and then Goebbles spoke to Hitler about the plans of the mass attack which 'he and the SA were going to launch against' Jewish shops and synagogues. Source A shows that even though Hitler wasn't involved in the planning of the attacks he wasn't going to do anything about it. It was undeniable that he approved of it. Hitler 'squealed with delight and slapped his thigh with enthusiasm' when he heard what they were going to do.
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