By AARON GREGG | The Washington Post | Published: May 12, 2021 Sen. Bernie Sanders, I-Vt., a former Democratic presidential candidate, says he will use his powerful new position atop the Senate Budget Committee to exercise tougher oversight over the United States' vast national security establishment, including the private-sector organizations that profit from taxpayer-funded defense contracts. In an exclusive interview with The Washington Post ahead of a Wednesday budget hearing, Sanders criticized the Pentagon for failing to keep track of billions of dollars in taxpayer funds. Citing form...