Though they may be spending much of their campaign defending his policies, Democrats on the ballot this November won’t have President Obama’s name at the top of their ticket to draw in voters. And many are beginning to worry about it. So with control of the House and Senate in play, many Democratic hopefuls find themselves relying heavily on a strategy that hinges on re-invigorating the many young and first-time voters that ushered Obama to victory in 2008. In tight races, the increased turnout could be decisive. “If you believed in hope in 2008, if you believed in change in 2008, this election is about delivering on that change,” said Steve Driehaus, an incumbent congressman from Ohio. The prevailing Republican counter-attack seems to be turning even a local House election into a national referendum on major issues.