Mass shootings, bus crashes, tornadoes, terrorist attacks — we've gotten adept at talking about these things. Act of God or act of man, they're all horrific. At least that was the word you kept hearing from politicians and newscasters describing the Boston bombings and the explosion at the fertilizer plant in Texas.
A few terms and figures became flash points for later discussion in the first presidential debate between President Obama and Republican challenger Mitt Romney. From Simpson-Bowles (which was mentioned at least eight times) to the much-discussed $716 billion cut in Medicare, the presidential debate and the wider campaign have featured a growing list of devilish details that could use a good footnote. Here's a closer look at a few of these disputed terms that are likely to come up in the vice-presidential debate.