If Democrats want to make a serious dent in Republicans' House majority, they'll need to break through in diversifying, suburban districts where Donald Trump is about as popular as snarled traffic. Florida's 7th CD, north of Orlando and near the site of both the Pulse Nightclub and Trayvon Martin shootings, fits that description perfectly. Yet as recently as June, Democrats couldn't even find a candidate to run against entrenched GOP Rep. John Mica. All that changed on June 23, when Rollins College business professor Stephanie Murphy, in part motivated by the Pulse tragedy and the gun debate, announced her bid just a day before the filing deadline. Now, this contest is shaping up to be the ultimate House race of 2016. It's rare to find a last-minute candidate straight out of central casting, but Murphy is an immigrant and suburban mom with a business and counterterrorism background and no political record to attack. At 38, she cuts a stark contrast to Mica, who is 73 and was first elected in 1992. And although Murphy got a late fundraising start, Democratic

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