The cut was signed into law by Big Ears. The Rs and Ds worked together to limit SS benefits and BO signed it.
You haven't proved it.
Can you link it?
All the links you posted said that Obama had planned to cut SS, and nothing is showing up on Google.
not sure this is proof
Reality Check: Obama Cuts Social Security and Medicare by Much More Than the GOP - The Atlantic
You didn't read your own link. From the headline
Obama plans to cut
What he proposed didn't happen.
Barack Obama Once Proposed Cutting Social Security. Here’s What Changed His Mind. | HuffPost
Obama Wanted to Cut Social Security. Then Bernie Sanders Happened.