In the early '90s, CDC research showed that households with a gun had higher rates of violent deaths. The NRA questioned the science and worked to cover it up.

Gen. Barry McCaffrey weighs in on the behind the scenes jockeying over a scientific report on drug policy. He says science can easily get distorted when political agendas are at stake.

Politicians often ignore facts because they don't align with their ideology. But scientists hype research to secure more funding. 

Plenty of politicians say they're not scientists. But when politics bumps up against science, there are consequences for all of us.