The fact that Lohan and a number of others have started to voice their opinion against Obama is not an indication of their knowledge or influence. It is an indication that they sense a changing of the season. Much like the ducks know when it is time to fly north or to return south.
The momentum toward Romney/Ryan is resonating with them and if you get a few moving in that direction we may get a larger movement.
“....Much like the ducks know when it is time to fly north or to return south.....”
It would have to be due to a “follow the herd” reaction. There has never been in her any evidence of independent rational thought. Of course there is always a first time. She might it liberating!