American bombs raining on Yemeni civilians?

America is reportedly selling 13,000 smart bombs to Saudi Arabia who will bomb civilians in Yemen. Meanwhile, Assad bombs civilians in Syria. I’m not protesting on behalf of Yemenis, wretched as their situation may be, just reflecting sadly that, as between ‘Them’ and ‘Us’ it can sometimes be quite hard to spot which are the bad guys.
Link:http://www.foxnews.com/politics/2015/12/12/critics-try-but-fail-to-kill-1-billion-weapons-deal-for-saudi-arabia.html