... In Iowa, the Des Moines Register's political guru, David Yepsen, is one of those prolific writers that candidates can't afford to offend. He has been covering the Iowa caucuses for more than a quarter century, and so, as one writer points out, candidates joke about going to Iowa to "pay homage at Mount Yepsen." Today, we got a chance to chip away at him during a LIVE CHAT at Rocky Talk Live with Mark Wolf. ... * Is there room for former Vice President Al Gore in the race for the Democratic presidential nomination? Yepsen says: "No." ... * Who's winning the war of words between former Mass. Gov. Mitt Romney and Sen. John McCain? It's Romney, Yepsen says.