(CNN) — When John Kerry’s senate seat becomes free this year, there’s a big question over who will run for it.
Sources close to former Massachusetts Senator Scott Brown say he hasn’t decided yet.
In 2010, the Republican won Senator Ted Kennedy’s former seat, but lost it this past November.
In his concession speech, Brown said defeat is only temporary and repeated words along that same vein during his farewell speech to the Senate last month.
The source says Brown may wait to say if he’s running until Kerry’s seat is actually declared vacant and an election date is set.
The timing all depends on when the Senate confirms Kerry as the new Secretary of State to replace Hillary Clinton.
That could happen this month or next.