This is doubtless heretical, but I'll say it anyway: I can wait to find out who the Republican presidential candidates will be. To be clear, I said "can," not "can't." Let's go further: I don't care who they'll be. At least not yet. I don't care because it's only March 2011. President Obama's first term is scarcely half over, and the next election is 20 months away. Twenty months! Can you bear this conversation 24-7 for 20 more months? ABC News in November produced a guide to Republican presidential contenders because, according to the network's Web site, the 2012 election...