For forty years, the Heinz ketchup packet has been a frustrating annoyance to travelers and diners alike. Hard to open, leaving bits of foil in your mouth, never enough in one packet, and no way to dip those french fries in the sauce. Now that burden will be lifted by a new package design unveiled Thursday that gives ketchup lovers two ways to enjoy their Heinz: either peel back the lid for easy dipping, or tear off the tip to squeeze onto favorite foods. The new package also holds three time ...