The Senate’s yearlong failure to pass a food safety overhaul has hampered the ability of Obama administration to quickly recall the 600 million eggs connected to a salmonella outbreak that has sickened nearly 2,000 people, experts and lawmakers say. The House approved its version of the food safety bill in July 2009 — that was more than 60 recalls of Food and Drug Administration regulated products ago, according to a report by the Make Our Food Safe Coalition. But the Senate has continued to drag its feet. The pressure is now on Majority Leader Harry Reid (D-Nev.), who has consistently pushed the bill to the backburner. Lawmakers, aides and analysts say Reid must bring the bill to the floor when the Senate returns in September in light of the major deficiencies in a nearly century-old regulatory system —- and one of the worst food outbreaks yet.