Westmoreland also failed to communicate his concerns adequately to Washington. Although he had warned the President between 25 and 30 January that "widespread" communist attacks were in the offing, his admonitions had tended to be so oblique or so hedged with official optimism that even the administration was unprepared.For a treatment of official statements predicting the offensive, see Peter Braestrup. "Big Story", New Haven, Connecticut: Yale University Press, 1983, 1:60–77.</ref> No one – in either Washington or Vietnam – was expecting what happened.