Editor's Note: In the final 100 days before Election Day, CNN has been profiling one race at random each day from among the nation's top 100 House races, which we've dubbed "The CNN 100." Read the full list here.Today's featured district is:
Nevada 3rd - Rep. Dina Titus (D) is seeking a 2nd term
Date of Primary: June 8
Location: Suburbs of Las Vegas, South end of Las Vegas strip
Days until Election Day: 10
In a Y-shaped district encompassing Las Vegas suburbs, X marks the spot for a House contest you wouldn't want to bet on.
Freshman Rep. Dina Titus is the first Democrat to represent Nevada's 3rd congressional district since its creation in 2003. And although President Obama won the district by 12 points, Titus won by only five. She may be happy to eek out a one-point victory this November.
Her opponent, former state Sen. Joe Heck, dropped his bid for governor a year ago, choosing to step out of a crowded field of GOP hopefuls into a relatively small one. He handily won Nevada's Republican primary with 69 percent of the vote.
The most recent poll of the district, a Mason-Dixon survey conducted in September, gave Titus a 47-43 percentage point lead over Heck, with 7 percent undecided. The poll had a sampling error of plus or minus 5 percentage points.
For such a close contest, it's unusual for both candidates to be racing away from the center of the aisle.
Titus voted with Democratic Party leadership on 95 percent of House votes, and touted the health care reform bill she voted for as "one of the greatest accomplishments of this administration."
Heck, a medical doctor, wants to repeal the legislation and work on a new solution. He has the backing of Mitt Romney and Tim Pawlenty – two conservatives whose names are being floated as 2012 presidential candidates.