He said stores should check the quality of the paper and printing, as well as the metallic security thread and watermark.

BBC: Counterfeit notes warning for East Lothian shopkeepers

Senior citizens on Social Security who are just hanging on by a thread.

WHITEHOUSE: President Obama Speaks on Deficit Negotiations

Water is the common thread that links together much of what you addressed: poverty reduction, food security, and reducing vulnerability to disasters.

ECONOMIST: Letters