So far in this young campaign, the issues that Gore loves - from his "practical idealism" to his "electronic-privacy bill of rights" - have lacked a certain electricity.
The original 1883 issue lacked the word "cents" on the reverse.
The issue lacked the clear-headed analysis that I have come to expect from NI.
The earlier issue lacked the state title "République française".
Because the issues lack underwriters, for example, no investment bankers are checking the company's references and no analysts or brokers are researching or recommending the stocks.
But a burning - or boiling - issue was still lacking until Samuel Adams found one in tea.
Part of the problem is that the issue lacks the excitement of a good political battle.
Deregulation there has generally unfolded slowly, because the issue lacked the same urgency it had in pioneering states like California, New York and Pennsylvania.
The underline Somali issue is lacking a functional government.
Some experts say that what the issue still lacks is political leadership.