Trump daily trashes our “incompetent leaders”. Methinks Obama & Cankles are included under that umbrella. Along with the leaders of the House & Senate.
Pretty obvious actually :)
Trump doesn’t attack Democrats and what mention he makes is mainstream and light.
See here for evidence: http://fivethirtyeight.com/features/when-donald-trump-attacks-gop/
538 is a liberal polling group, but Nate Silver is a top notch pollster and, although his conclusions are wrong, his data is spot on.