Here are some stories shaping the news the day after Mitt Romney's wins in Michigan and Arizona.
- Santorum campaign claims a tie in Michigan
- Olympia Snowe rocks political landscape by announcing retirement
- Kornacki: Snowe's huge gift to Democrats
- Bob Kerrey running for Senate in Nebraska
- Why was Michigan so close?
- North Korea nuclear suspension diplomatic coup for Obama
- Mitt Romney campaign website flip flops on his tax policy
- Mormons baptized slain reporter Daniel Pearl
- Growing number of Americans cannot afford food, study finds
- Why climate skeptics are wrong
- James Murdoch steps down at News International
- Bristol Palin reality series coming to Lifetime Network
- Bill Clinton on Keystone XL pipeline
- Obama's high-speed rail plans hit traffic in Congress
- Senators offer license to strike Iran nuclear program