Washington Post: By any measure, President Obama has begun his second term with an ambitious agenda: comprehensive immigration reform, a new assault weapons ban, universal background checks, and even possible measures on climate change and voting rights. In all likelihood, hell discuss each of these in tonights State of the Union. But -- insofar that he wants to make progress -- he might be better served by staying quiet. Todays poll from the Washington Post and Capital Insight shows something interesting: When...