5 things to know for Feb. 12: Canada shooting, Nancy Guthrie, Airspace closure, Funding impasse, Olympic athlete disqualified

CNN By Alexandra Banner, CNN One mindful step at a time, a group of monks completed a 2,300-mile walk on Wednesday in the hope of spreading peace across the US and beyond. Hundreds of people gathered on the National Mall for the concluding ceremony, marking the end of their extraordinary trek from Texas to Washington,