Third of voters grade Trump 'F'

Here's the letter-grade breakdown of voters on Trump in latest McClatchy-Marist Poll:

• A: 15%
• B: 22%
• C: 15%
• D: 15%
• F: 32%

At same time in Obama presidency, 55% graded him A or B and 11% graded him F.

One more stat: 59% of voters said Trump's behavior as president was embarrassing.