<p>Gov. Mike Huckabee was supposed to glide to re-election over Jimmie Lou Fisher, a Democratic Party functionary whose job in her 22 years as state treasurer has involved little besides signing government checks.</p>
<p>But suddenly he is in a dogfight: a poll for the Arkansas News Bureau gives Mr. Huckabee a lead of only 46 percent to 44 percent. The poll was released last Thursday, the same day a fund-raising letter turned up in which the governor warned that his campaign was in ''crisis.''</p>
