Louisville Mayor Greg Fischer is in Washington D.C. this week for the U.S. Conference of Mayors meeting.Former Mayor Jerry Abramson was once president of the group. Fischer spokesperson Chris Poynter says the change in mayors in Louisville is not likely to cost the city any clout in the conference."Many mayors who serve for many years have stepped out and are no longer serving. There are actually many new mayors who will be there this week, and Greg is just one among them," he says.The conference will focus primarily on jobs and the economy, but Poynter says Fischer will attend a session on the environment and sewer systems. Fischer will meet with Congressman John Yarmuth and President Barack Obama on Friday before returning to Louisville."He'll be talking with Yarmuth about funding needs in Louisville and with the President, he'll be talking about jobs and where the nation is headed on the slow road to recovery," says Poynter.Other mayors will attend the meeting with Mr. Obama.