So Mitt Romney beat Rick Santorum by 3 percentage points in Tuesday's Michigan primary (and won big in Arizona).
A sample of headlines pretty much sums up the reaction to the Michigan win:
New York Times: "Romney faces stubborn question, despite victories"
Associated Press: "Mitt Romney aptly sums up his Michigan win: ‘We won by enough’"
Politico: "Mitt Romney wins ugly"
Los Angeles Times: "Mitt Romney averts disaster in Michigan primary"
Wall Street Journal: "Romney regains momentum"