Expect that number to climb as more info is revealed.

Via Rasmussen:

Fifty-five percent (55%) think it is at least somewhat likely that President Obama or his top aides were aware that Tea Party and other conservative groups were targeted by the IRS. Thirty-four percent (34%) consider that unlikely. This includes 36% who believe it is Very Likely the president or his top aides knew of the investigations and 13% who feel it is Not At All Likely. Eleven percent (11%) are undecided.