A Republican firm last week released a poll showing Nelson down by six points against the current GOP front-runner, Nebraska Attorney General Jon Bruning. But an internal poll from Nelson's campaign the same week showed him two points ahead of Bruning — and with even greater margins over Don Stenberg and Deb FischerDeb FischerGOP senators avoid Trump questions on rigged election No. 3 GOP senator: I'll still vote for Trump GOP Senate candidate reverses on Trump in debate MORE, the other Republicans in the race.
GOP leaders courting Gov. Heineman to run against Nelson
Conflicting polling in the race has made it difficult to lock down just how the electorate feels about another Nelson term.