Nobody is pointing to an actual problem with these drugs, but some worry that potential problems have not been ruled out.

FORBES: For Merck, A New Worry Amid Success

Gun-control advocates have helped highlight these flaws, but some also worry that focus on the system's holes will be used as an excuse to block legislation requiring universal use of the background check system.

WSJ: Systemic Gaps Hinder Background Checks for Gun Purchases

Not only do hospital charges vary widely within the same city, but we are assured that while some hospitals have incredibly high charges, not to worry, no one really pays at that rate, certainly not Medicare, Medicaid or private insurers.

NPR: 6 min 38 sec

It's a good idea for some, but most couples don't have a lot of assets to worry about at the start, and many a moony-eyed pair think there's something unromantic about beginning a lifelong commitment with a financial document drafted by lawyers.

FORBES: For Love And Money

But to keep digital intruders away from sensitive government information, some worry the government will have to do some spying of its own--on the U.S. private sector.

FORBES: Magazine Article

In other countries few companies have made extensive use of it, but its popularity is growing fast so fast that some worry about the undesirable characters that the business is attracting.

ECONOMIST: Idea: Mentoring | The