WPViewController.m

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    if ([segue.identifier isEqualToString:@"showPost"]) {
        NSDictionary *current = self.posts[[self.tableView indexPathForSelectedRow].row];
        WPPostViewController *vc = segue.destinationViewController;
        vc.postText = current[@"content"];
        vc.postTitle = current[@"title"];
    }
}