My dear brother: The above hadith is completly lie: becuase those hadith which condridict Quran and lie,,
Bring Evidence from Quran about this hadith:
You already know that Mubahila already cleared the relationship of Imam Ali (as) , more over there are loads of hadith where Prophet Mohammad(pbuh) said that Ali is to me like "Moses and Haron"..
SO you are happy just for nothing,
Go and study more,,,,, It was umer who burned Fatima(as) house and It was umer who stoped Mohammad(pbuh) to write the will ,,
This is not such thing which i am qouting from Shia books,, it is fact which is avaiable in your books,,,
now its upto you , declare your books wrong and keep your sefl happy to read ur statement "UMER AS POSSIBLE Prophet (ALLAH FORBID)..
Peace healtymind
Umar (RA) is not even here to defend himself of these allegations. Why can you not leave it to Allah (SWT) to judge? As far as my stance is concerned I will rather call a murderer an angel than call a pious man a demon. For my on benefit that I am called to account for accusing people of evil without knowledge.
And truly having history of an event is not real knowledge of it, it is just a glimpse at an opinion of it.
So my advice to you is you need to start treating everyone nicely and let Allah (SWT) judge the people.