Obama cosponsored the Secure America and Orderly Immigration Act.[77] He introduced two initiatives that bore his name: Lugar–Obama, which expanded the Nunn–Lugar Cooperative Threat Reduction concept to conventional weapons;[78] and the Federal Funding Accountability and Transparency Act of 2006, which authorized the establishment of USAspending.gov, a web search engine on federal spending.[79] On June 3, 2008, Senator Obama—along with Senators Tom Carper, Tom Coburn, and John McCain—introduced follow-up legislation: Strengthening Transparency and Accountability in Federal Spending Act of 2008.[80]
Obama sponsored legislation that would have required nuclear plant owners to notify state and local authorities of radioactive leaks, but the bill failed to pass in the full Senate after being heavily modified in committee.[81] Regarding tort reform, Obama voted for the Class Action Fairness Act of 2005 and the FISA Amendments Act of 2008, which grants immunity from civil liability to telecommunications companies complicit with NSA warrantless wiretapping operations.[82]
In December 2006, President Bush signed into law the Democratic Republic of the Congo Relief, Security, and Democracy Promotion Act, marking the first federal legislation to be enacted with Obama as its primary sponsor.[84] In January 2007, Obama and Senator Feingold introduced a corporate jet provision to the Honest Leadership and Open Government Act, which was signed into law in September 2007.[85] Obama also introduced two unsuccessful bills: the Deceptive Practices and Voter Intimidation Prevention Act to criminalize deceptive practices in federal elections,[86] and the Iraq War De-Escalation Act of 2007.[87]
Later in 2007, Obama sponsored an amendment to the Defense Authorization Act to add safeguards for personality-disorder military discharges.[88] This amendment passed the full Senate in the spring of 2008.[89] He sponsored the Iran Sanctions Enabling Act supporting divestment of state pension funds from Iran's oil and gas industry, which has not passed committee; and co-sponsored legislation to reduce risks of nuclear terrorism.[90] Obama also sponsored a Senate amendment to the State Children's Health Insurance Program, providing one year of job protection for family members caring for soldiers with combat-related injuries.[91]