There's a new push to give terminally ill patients greater access to drugs that have not been approved by the FDA. Lawmakers in four states are backing legislation to grant this potentially life-saving option to patients.

Some doctors, however, argue that it's a bad idea, saying in some cases an experimental drug could reduce life expectancy instead of increasing it.

Keith Knapp, whose wife is terminally ill with a rare form of kidney cancer, has launched a campaign in California in an effort to get his wife access to an unapproved drug that may prolong her life.

In his report this afternoon, William La Jeunesse explained that it takes 10 years for the FDA to grant approval. During that time, just 3 percent of patients qualify to participate in clinical trials.

Watch the report above, and give us your take on this emotional issue.