Part D is an optional insurance program that charges a monthly fee in exchange for prescription drug coverage.

FORBES: The ABCDs of Medicare

As a compromise, Congress could make the program optional, but give employers who adopt the principles safe harbor from employee lawsuits involving plan investment options.

FORBES: Educating a Nation of Financial Illiterates

This optional monthly payment program, called Fidelity Smart Payment Program, uses quantitative analysis to determine a schedule of annual target payment rates, with a goal of not running out of money before the target date is achieved.

FORBES: Nest Egg Tapping

The Administration proposes to create a new permanent AFF Bonds program, which would be an optional alternative to traditional tax-exempt bonds.

WHITEHOUSE: The White House

Optional radio censorship isn't the only new feature for MyKey, which allows owners to program a key to fit their specific level of paranoia -- the new version allows parents to set top speeds between 65 and 80mph, instead of the previous fixed cap of 80mph.

ENGADGET: Ford MyKey adds radio censorship to further control teen driving habits