I chose the criminal case of Graham v Florida. (Life sentence for juvenile violates 8th Amendment) Can evidence of the court's political leanings be

I chose the criminal case of Graham v Florida. (Life sentence for juvenile violates 8th Amendment) Can evidence of the court's political leanings be seen? Why or why not? Does anything in the majority opinion go against what some would consider to be the current court's political leanings? Provide an opinion of whether or not the court ruled and reasoned correctly; fully explain the opinion in either regard.