I don't think Trump thinks attacking back is petty. He pretty reliably attacks anyone who attacks him. http://thehill.com/blogs/pundits-blog/the-administratio

I don't think Trump thinks attacking back is petty. He pretty reliably attacks anyone who attacks him. http://thehill.com/blogs/pundits-blog/the-administration/322878-the-presidency-hasnt-changed-the-donald http://thehill.com/blogs/pundits-blog/the-administration/322...