Tweet from AM EX supports PP but then says AM EX says NO...tweet mystery!

Why Was American Express’ Twitter Feed Endorsing Planned Parenthood?

Earlier this afternoon, American Express’ Twitter account issued a Tweet in support of Planned Parenthood. It seemed like an odd move, PR-wise, for a company catering to a wide range of people – people who might not necessarily agree with AmEx’s supposed stance on controversial political issues.
Here is the original Tweet, which has since been deleted:

When in doubt, mention Scarlett Johansson, we guess.
We reached out to American Express’ online / social media relations team, who told us that no one at American Express sent out the Tweet in question. The official Twitter echos this:

Did some rogue Planned Parenthood supporter hack into the company Twitter account to do a little evangelizing? We’ll let you know as soon as we find any additional insight into what happened.