Donald Trump is thought by many to have a cult-like hold on most of his MAGA base, but his recent endorsements have drawn ire from those who wear his hats and follow his every move. The latest catalyst for this outpouring of criticism was a Sunday message about Sen. Marsha Blackburn (R-TN). Trump late Saturday issued a double endorsement of Arizona congressional candidates Blake Masters and Abe Hamadeh. That endorsement resulted in several negative comments to Trump from his supporters, including one user who was wearing a MAGA hat in his profile picture, telling Trump to “get off the fence.” …