NEW : Baghdad ( CNN ) -- U.S. Defense Secretary Robert Gates told reporters in Baghdad that his current visit to Iraq will probably be his last . Bush calls talks with troops the ` ` high point '' of his trip . Defense Secretary Robert Gates talks with his troops and commanders . Gates has previously said he will retire this year . Gates arrived in Iraq on Tuesday night on an unannounced visit .
NEW : Bush calls talks with troops the ` ` high point '' of his trip . Defense Secretary Robert Gates talks with his troops and commanders . Gates has previously said he will retire this year . Gates arrived in Iraq on Tuesday night on an unannounced visit .