There is evidence in a new survey by the Pew Research Center’s Internet & American Life Project that on social networking sites, birds of a feather don’t always flock together when it comes to politics. Friends do disagree with friends about political issues but the survey found that, most often, they let those disagreements go by without comment. The figures shook out like this - 25% always agree or mostly agree with their friends’ political postings; 73% of these users “only sometimes” agree or never agree with their friends’ political postings. When they disagree with others’ posts, 66% of these users say they usually ignore the posts; 28% said they usually respond with comments or posts of their own; and 5% said it depends on the circumstances. Social networking was also a way that some (38%) found out their political leanings were different than their friends.