u.s. republican presidential candidate ben carson say intend continue campaign republican national convention july report thursday say plan major downsize flag campaign washington post report carson plan eliminate 50 staff position nearly one-half staff carson appearance fox news channel say cut months make examination find inefficiencies campaign kind thing would president retire neurosurgeon say lot money waste lot inefficiency government fund continue inefficiency mean it bulk cut come field offices headquarter virginia washington post say cite internal memo campaign officials carson also reduce salaries campaign workers say carson finish fourth among republican presidential hopefuls iowa caucus monday less 10 percent vote newspaper say cost-saving measure include possibly use commercial flight instead private plan limit carson travel team select advisers able continue campaign right cleveland carson say refer convention obviously always make appropriate adjustments make sure accomplish goal senior staffers remain campaign team accord post report clarece polke edit doina chiacu jeffrey benkoe sap sponsor content independently create reuters editorial staff fund part sap otherwise role coverage republican carson cut staff vow campaign