WASHINGTON -- The travel industry is taking aim at Democrats' efforts to limit luxury travel by companies that accept government bailouts with a new advertising campaign that says the attacks on travel are costing jobs.

One of four print ads in the campaign includes a photograph of the back of President Barack Obama's head, superimposed over an empty stadium. "Imagine holding a convention and no one showed up," the headline says. "Until political conventions are held via conference call, we shouldn't expect business to do...