Jessica A. O’Brien “blatantly inflated her income like a hot air balloon” as part of a $1.4 million scheme to defraud lenders, a federal prosecutor told jurors this morning.Assistant U.S. Attorney Matthew F. Madden contended that misrepresentation on a mortgage refinancing document was just one among many O’Brien employed in a bid to obtain loans she was not qualified to receive.“Again and again and again, the defendant lied,” Madden said in his closing argument in O’Brien’s …