Rubio battles Cruz for Iowa edge (Politico)
Grassley turns up heat on Clinton, State (Politico)
Syria refugee fight emerges as government shutdown threat (The Hill)
Carson backs up Trump’s 9/11 claim (The Hill)
Sanders invokes MLK legacy as he aims for black support (Associated Press)
Trump Fires Warning Shot At RNC: ‘That Wasn’t The Deal!’ (Daily Caller)
Pew: 65% say the news media has a ‘negative effect’ on America (Washington Examiner)
How GOP campaigns are strategizing for Super Tuesday delegate bonanza (Washington Post)
Massachusetts’s Rejection of Common Core Test Signals Shift in US (New York Times)
Why did David Vitter’s prostitute problem kill him in 2015 and not in 2010? (Washington Post)
