As I've said before, the reason that the media may seem liberally biased to some is that Republicans, and conservatives in general, seem to say wacky things on a much more consistent basis than Democrats do.
Want proof? This is what has to pass for a significant gaffe from the Democrats. This article seems to be an attempt to showcase a serious gaffe from Joe Biden that "jinxes US-Mexico relations". According to the article, "[Biden] began to make a toast, saying, 'It's considered bad luck among the Irish to toast with water. So I'm not going to do that.' But ultimately Biden couldn't resist, so he toasted anyway, 'To friendship, to Mexico and
to America, happy Cinco de Mayo.'"
Yes... because of Biden's major error, relations between the US and Mexico will never be the same. In fact, I think we can blame any issue the two countries have ever had with each other on this atrocity.
Honestly, there are so many gems that the GOP gives us to pick from. When this is the story that has to be used to compete with those, is it so surprising that the media seems to "liberally biased"?