On this edition of The Brief Case, Trail Blazers beat reporter/Insider Casey Holdahl discusses...• Chauncey Billups comments after Portland's loss to Oklahoma City on Wednesday• The wins versus the Grizzlies leading to close losses to the Timberwolves and Thunder• The Trail Blazers recent improvement in offensive rating, defensive rating and net rating• Portland covering in four-straight games after failing to do so in seven-straight gamesAnd the show finishes up with the second part of a two...