When pollsters first asked respondents who they would vote for, Sink had 40 percent of the vote, compared to 34 for Jolly, 4 percent for Overby and 17 percent undecided. Five percent either refused to answer or listed someone else.
Pollsters then asked the undecided group if there was a candidate they were leaning toward. Those results found 42 percent supporting Sink, 35 percent for Jolly, 4 percent for Overby and 14 percent still undecided.
...
The telephone survey of 603 registered voters in Congressional District 13 — all likely to vote in the March 11 special election — was conducted Feb. 4-9. The poll, which included respondents using land lines and cell phones, was conducted by Braun Research, a national polling firm based in Princeton, N.J. An independent write-in candidate, Michael Levinson, also is running.
http://www.tampabay.com/news/politics/national/poll-slight-lead-for-sink-over-jolly-in-pinellas-congressional-race/2165327