make sure his investigation is not bumping into others. speaking before his meeting with mueller. senate judiciary committee chair chuck grassley talked about what, if anything, is off the table. >> there is some areas that i won't go into that i think are very definitely that he can interfere with. probably some he will tell us that there is some that we can't interfere with. >> is obstruction one of those areas, possibly the president obstructing justice? >> i think that everything is on the table. >> all right. still ahead, we're following the latest on a michigan airport attack that authorities are now investigating as a possible terrorist act. plus, softball brings lawmakers together, and the capital officer injured threw out the first pitch. a check on those stories and weather when we come back.