The msm achieves it’s effect by total saturation. Much like advertising. The first time you hear that Right Guard is 65% more effective in fighting odor, you’re skeptical. By the time you have hear it 65,000 times, it becomes common wisdom. Similarly, people believe Obama is a genius because they have been told that 7 times a day, 365 days a year for four years. Conservative pundits don’t have that power. How many Missouri voters read Ann Coulter, let alone have their attention swayed by her?