“I. Will.  Never.  Leave.  This.  Race.”  —  Donald Trump came down the stairs, stopped in the middle of the clubhouse restaurant, thrust his arms out and proclaimed: “How great is this?”  —  It was his way of saying hello and also a declaration of how America's boss planned to try to own the room …

Republicans fear Trump could jeopardize control of Congress  —  Republicans have spent many years and hundreds of millions of dollars wresting control of the House and Senate from Democrats.  —  Now they say Donald Trump is putting it all in jeopardy.  —  With the Iowa caucuses just 55 days away …

Trump Spokeswoman Defends Muslim Ban: 'So What?  They're Muslim' (VIDEO)  —  While defending Donald Trump's proposed ban on Muslims visiting the United States during a debate with CNN's S.E. Cupp, Trump spokeswoman Katrina Pierson dismissed Cupp's assertion that a ban on all Muslims goes too far.

San Bernardino shooting planned a year in advance: report  —  Last week's mass shooting in San Bernardino, Calif., that killed 14 was reportedly planned up to a year in advance.  —  The suspected killers began practicing with guns and making financial preparations in 2014, according to NBC News.

Potential Power Shift as Court Weighs ‘One Person One Vote’  —  WASHINGTON — A closely divided Supreme Court on Tuesday struggled to decide “what kind of democracy people wanted,” as Justice Stephen G. Breyer put it during an argument over the meaning of the constitutional principle of “one person one vote.”