Will Democrats filibuster Trump's Supreme Court nominee? If they do, the GOP might nuke the filibuster.

Democrats are squirming at the thought of Donald Trump's upcoming opportunity to nominate a justice for the Supreme Court. And while they're thinking about giving the Republicans a taste of their own medicine by obstructing any nominee, it could come with a potentially crippling cost. The Democrats are still smarting over their counterparts' treatment of President Barack Obama's nominee, Merrick Garland, who despite being nominated in February has still not gotten a congressional confirmation he...