2. After a big win in Florida, Republican presidential front-runner Mitt Romney says he is toughening up for contests to come. And it's still a long road ahead to reach the critical number of delegates he needs to secure the GOP nomination in August. Up next, Nevada and Maine.

 

 

 

3. Syrian troops are battling army defectors in a string of towns just outside Damascus. The battles are part of last week's offensive that fueled some of the bloodiest days of the nearly 11-month-old uprising.

 

 

 

4. And in Washington DC, buds are starting to come out on the district’s famed cherry blossoms. Near record temperatures here and across a swathe of the country, have winter feeling so far, well, more like spring.