My guess is that demographics will take out that margin over a 4 year period.
While generally Republican myself, when I hear what some older voters really think it is quite appalling. Kind of like liberals blaming Bush for everything, some just want to complain about Obama excessively. Both perspectives are distasteful as our leaders are often just reflecting what others want.
The key is we all need to make our voices heard and participate so the outlier ideas don’t take over.