When you lead you do it from the front. Otherwise you are not "leading."
To understand this, you have to understand that the Obama administration could best be described as "leading from the rear." Which is to say it was not leading at all, but allowing other nations to take the lead.
Libyan revolution: In Libya, "leading from behind" was the best policy. - Slate Magazine
See this article in praise of the Obama policy.
To state that we should lead from the front is to say, in basic words, that we should lead period.
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