I was toying with the idea of posting this Dave and glad that you did so that I can pontificate on this issue.
First and foremost, religious leaders with any significant following should stay the hell out of politics. Politics is human and not divine. Any and every political system or government headed by a religious leader is fucked up from the word go. I don't need to provide examples.
But, after the Pope holding a massive Mass across the border and then making this comment will only help Trump in the immediate term, especially with the independents. I will be anxiously waiting for Trump's response.