Washington (CNN)The heavy flooding that's overwhelmed Texas and killed more than 30 people has put Sen. Ted Cruz in a bind on climate change.The Republican presidential contender has held two press conferences over the past two days to address the flooding and the government's response. At each one, he was asked about the impact of climate change on natural disasters like the Texas flooding, and at each one, he dodged the question."In a time of tragedy, I think it's wrong to try to politicize a natural disaster -- and so there's plenty of time to talk about other issues," he...