Lief was sold but figured he couldn't get venture capital to fund this unproved theory.

FORBES: Magazine Article

Today's warning letters are another demonstration of our commitment to remove illegal, unproved drugs from the market.

CNN: FDA warns makers of unapproved narcotics

Orszag believed that the ideas put forward by the Obama campaign were unproved.

NEWYORKER: Money Talks

But because of these false and unproved accusations, it has pained and had a tremendous painful price on my family.

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The sexual harassment allegations against Herman Cain are very serious, but unproved.

BBC: Rick Perry: Oops and out

This hysterical belief in unproved theories is not new.

FORBES: Fact and Comment

Zinc fingers are still unproved outside the lab.

FORBES: Magazine Article

These false and unproved allegations continue to be spinned in the media and in the court of public opinion so as to create a cloud of doubt over me and this campaign and my family.

FORBES: When Defiance Replaced Responsibility

Only a fool would believe that it makes sense to sacrifice upcoming certain gains in 2014 on the basis of unproved political analysis about appealing to various peoples outside the party to secure the distant future.

FORBES: The Real Lessons For The Republicans From The 11/6 Elections