German politicians are outraged after a CNN report detailed an alleged Russian plot to assassinate the head of German arms maker Rheinmetall, a company that has been key in providing German military aid to Ukraine. According to the CNN report published on Thursday, US intelligence uncovered Russian government plans to assassinate Armin Papperger, the chief executive of Rheinmetall, earlier this year. CNN, which cited “five US and western officials familiar with the episode,” said German authorities were notified of the plot and as a result increased security for Papperger at the time. The US b…