director brennan: it is a hypothetical, the iranians have certainly bought to bear many capabilities. we are working closely with the militias there. we have been able to amass enough force to push back against isil insurgence. the coalition strikes have softened up a lot of the iso forces and have disrupted their majestic networks. there logistics networks. there has been tremendous effort made by the coalition in terms of rights. charlie: and in the iraqi army are they fighting any better? director brennan: i think they have been able to regroup. there are training elements going on right now. a number of iraqi forces have been able to augment the forces already there. the coalition is engaged in trying to strengthen those forces with the training and advice. these will take time. we expect things not to turn around immediately. this is going to be a long tough fight. we know isil has a lot of material. they also have shown they are willing to kill the cells in certain ar
[captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] tonight on q&a the director of the georgetown university medical center watch dog how doctors influence what medication to prescribe. the promotion of the drug starts seven to 10 years before the drug comes on the market. while it is illegal for a company to market a drug before it is approved by the fda, it is not illegal to market a disease. drug companies have sometimes invented diseases or exaggerated the importance of certain conditions or exaggerated the importance of a particular mechanism of the drug, for example, and then link it it medical journals and medical meetings and other venues with these messages meant to prepare the minds of clinicians to accept a particular drug and to prepare the minds of consumers to accept a particular condition. that s tonight on q&a. congress is back in session on monday. one of the