The single biggest reason why I could never vote for a republican is the party's position on climate change.  This is the biggest issue facing humanity.  And a major political party in the most important nation in the world won't recognize that it's happening -- despite overwhelming scientific evidence. It all boils down to a few ultra rich titans who pay for modern republican politics.  Since global warming is inconvenient for their pocket book, they pay to muddy the waters.  And the republican herd can be manipulated into believing anything -- Obama's not a citizen; Reagan was a great president; global warming is a giant hoax.  I've come to the conclusion that republican politics is bad for the U.S. and the world!