What you think of Sen. Ted Cruz (R-Texas) depends on who you believe. Is the freshman senator on an "ego trip," putting himself before country (Dana Milbank, The Washington Post), or is he standing on his principles (Cruz's conservative supporters)? ABC chief White House correspondent Jonathan Karl says Cruz is "so hated" among GOP senators that "he's going to need a food taster." In a telephone interview with me, Cruz acknowledges he would not win a "Mr. Congeniality" contest if it were up to the Republican leadership in the Senate, but contends that they and some of his colleagues are...