If your favorite mug or cup is showing signs of your coffee obsession, these simple tricks will get it looking like new.

There's a running joke in my family that centers around my older sister's absolute refusal to use a cup or mug with ingrained coffee stains. Although a cup has clearly been washed thoroughly ...

Your view of coffee mug stains -- like that other famous glassware optimism metric -- is also a litmus test for your view on ...