Obamacare was supposed to be President Barack Obama’s legacy. But it’s looking like a political millstone. The mammoth and unpopular health insurance overhaul weighed down Democrats in 2010 when Republicans helped turn seniors to their side. ....“This could cost us the election,”...the Democratic Congressional Campaign Committee’s political director wrote in a fundraising email last week. “We have to get the facts out to voters immediately.” .....Right now, Romney might be winning the public-relations war in Florida, according to a poll from Rasmussen Reports,.... Asked which plan “scares you more,” the poll found 54 percent of Florida seniors said Obamacare, while...