Tonight's guests:
- Chris Matthews, host of MSNBC's Hardball
- Andrea Mitchell, host of Andrea Mitchell Reports on MSNBC
Tonight's links:
Audio clip: Des Moines Register one-on-one interview with Hillary Clinton
Donald Trump campaign announcement preview
Donald Trump Will Run for Governor of New York if You Ask Nicely and Often
Donald Trump: 'I want to make the country great again'
Trump hires three more Iowans for staff
Romney, McCain Criticize GOP Debate Rules
'Bears' have own plan for Jeb Bush campaign site
Audio clip: Des Moines Register one-on-one interview with Hillary Clinton
First vessel in Shell Arctic drilling fleet leaves for Alaska