Article snippet: Sen. MORE (I-Vt.) has taken the lead in Iowa, according to a Des Moines Register/CNN poll released on Friday that shows the Vermont senator jumping past his top rivals after a third-place finish in the same survey in November. The poll, widely considered the most authoritative in Iowa, shows Sanders with the support of 20 percent of likely Democratic caucusgoers. He's trailed closely by another progressive, Sen. MORE (D-Mass.), who registered 17 percent in the survey. Former South Bend, Ind., Mayor MORE round out the top four, notching 16 percent and 15 percent support, respectively. Still, Sanders’s lead in Iowa is narrow – within the poll’s 3.7 percent margin of error – suggesting that the race in the Hawkeye State remains wide open with less than a month to go before the first-in-the-nation caucuses. The Des Moines Register poll shows that Iowa remains a four-person race. No other candidate managed to register in double digits. Sen. MORE finished just below her, with 5 percent support. Sen. MORE (D-N.J.) also failed to gain ground in the poll, coming in with just 3 percent support. That’s unchanged from Register’s November poll. The poll is welcome news for Sanders, who rose 5 points since the last Des Moines Register poll was released in November. That survey showed Buttigieg surging to the front of the pack with 25 percent support. But Buttigieg’s political fortunes in the state appear to be reversing. He’s faced criticism in recent weeks for his fundraisin... Link to the full article to read more