over replacing obamacare is far from over. cnn white house correspondent athena jones joining us from branchburg, new jersey, near the president's golf club where he's spending the weekend. athena, what changes can be expected in the senate's version, any discussions while the president is there this weekend about how involved he will be in helping to shape it? >> reporter: hi, fred. well, it's hard to say exactly what the senate will do to change this bill, but we do know that there are a lot of senate republicans who have expressed concerns about the bill. the bill is facing some of the same challenges it faced in the house where you had conservatives who wanted it to do more to undo obamacare and many other regulations in obamacare, and then moderates concerned that it might be going too far. there are some who have expressed concern that there's not enough help and not enough aid to help lower income people and seniors afford coverage due to the changes in this bill. there are other republicans who