COVER-UPSJust a coincidencehttp://news.yahoo.com/s/ap/20080119/ap_on_go_pr_wh/white_house_e_m[AP] Apparent gaps in White House e-mail archives coincide with dates in late 2003 and early 2004 when the administration was struggling to deal with the CIA leak investigation and the possibility of a congressional probe into Iraq intelligence failures . . .Among the periods of time for which the chart