over u.s. immigration. critics are calling it all wrong and racist. and the startling incident of birds dropping dead from the sky. we re taking you inside the room and what experts are describing right now. i m wolf blitzer. you re in the situation. right now, new signs of changes, historic changes potentially at the obama white house. let s go to ed henry. major shake-ups going on at the white house. new information. what have you learned? reporter: that s right. robert gibbs made it official that he s stepping down. bill daley is here at the white house right now and he s having meetings with the president, with pete rouse, the interim white house chief of staff. this is a sure sign that they are edging closer to offering this job to bill daley. there has been no job offer made yet but that s key because a growing number of people that i ve spoken to says that all signs here at 1600 pennsylvania avenue pointing to bill daley getting this job. they find it hard to belie