forward because secretary shinseki is no longer there. the buck stops with the president. it is very important. >> reporter: some republicans want to see and hear more from the president on what he intends to do to fix the v.a. system. >> this is all about symbolism, not substance. nothing substantive was done yesterday. it was the symbolic walking of the plank to shinseki walks off. >> reporter: sloan gibson is the new acting secretary until the president names a replacement. gibson is former banker and head of the uso. gibson is a graduate of west point and a former army officer and veterans groups say he has a big task ahead of him. >> coupled with the investigations going on at 42 different v.a. medical centers now systemwide. the beginning now is to address those issues at each individual location. >> reporter: president obama said he has, quote, confidence