Putin says 'unconstitutional coup' caused Ukraine crisis. (NBC News)
Putin also says those aren't Russian forces in Crimea. (NPR)
The lawyer for NJ Gov Chris Christie's campaign manager says his client appears to be the focus of the federal criminal investigation. (Bergen Record)
Texas holds primaries today. (Texas Tribune)
The Alabama House takes up a "fetal heartbeat" bill (a.k.a. six-week abortion ban) today. (AL.com)
Pres. Obama releases his 2015 budget proposal today. (Time)
Disputed study's author testifies on behalf of banning gay marriage in Michigan. (AP)