when you are in the tank for the guy, you are in the tank for the guy. it's also the same reason that john edwards got away with (a) having an affair (b) while he was a leading dem candidate for president, and (c) putting her on the payroll of his campaign (d) more or less around the time she became pregnant (e) with may or may not be his kid.
the MSM is becoming so unfailingly uncritical of The BarckStar! that their refusal to cover legitimate stories could give artificial credibility to some
of the loonier silliness being bandies about, e.g., he's a muslim, his birth certificate is forged, he isn't american . . .