[PAR] [TLE] Douglas Holtz-Eakin [SEP] Douglas James "Doug" Holtz-Eakin (born February 3, 1958) is an American economist.  He was formerly an economics professor, Director of the Congressional Budget Office, and chief economic policy adviser to United States Senator John McCain's 2008 presidential campaign.  Holtz-Eakin is currently president of the American Action Forum policy institute, a conservative think tank. [PAR] [TLE] John McCain [SEP] John Sidney McCain III (born August 29, 1936) is an American politician who currently serves as the senior United States Senator from Arizona, in that office since 1987.  He was the Republican nominee for President of the United States in the 2008 election, which he lost to Barack Obama.
[PAR] [TLE] Douglas Holtz - Eakin [ SEP ] Douglas James " Doug " Holtz - Eakin ( born February 3 , 1958 ) is an American economist . He was formerly an economics professor , Director of the Congressional Budget Office , and chief economic policy adviser to United States Senator John McCain 's 2008 presidential campaign . Holtz - Eakin is currently president of the American Action Forum policy institute , a conservative think tank . [PAR] [TLE] John McCain [ SEP ] John Sidney McCain III ( born August 29 , 1936 ) is an American politician who currently serves as the senior United States Senator from Arizona , in that office since 1987 . He was the Republican nominee for President of the United States in the 2008 election , which he lost to Barack Obama .
Who was the chief economic policy adviser during the 2008 presidential campaign of the current US Senator from Arizona?
Who was the chief economic policy adviser during the 2008 presidential campaign of the current US Senator from Arizona ?
Douglas James "Doug" Holtz-Eakin
Douglas James "Doug" Holtz-Eakin