WASHINGTON (AP) — The Postal Service's retiring inspector general hired a team-building consultant at $3,000 a day, held ‘‘mind-numbing'' eight-hour working lunches and erupted in anger at a staff-produced ‘‘inspirational'' film that she thought would upstage her presentation of accomplishments, a government report says. The conduct of Karla Corcoran, whose retirement was announced Tuesday by the Postal Governors, was criticized in a 274-page report filled with employee accusations of mismanagement and waste. Corcoran, in an interview, strongly disputed the allegations. Much of the criticism involved team-building meetings, with employees charging that a major investigation was almost jeopardized because it conflicted...