Thirty eight percent of Americans say they approve of Trump’s job performance — down five points since September — while 58 percent disapprove…

The drop for Trump has come from independents (who shifted from 41 percent approval in September to 34 percent now), whites (who went from 51 percent to 47 percent) and whites without a college degree (from 58 percent to 51 percent).

“Are we starting to see the fraying of the Trump base … after this week of [Republican] infighting?” Yang asked.