Way back in early February, we heard that Ted Cruz had decided to start playing nice with his fellow Republicans. What a difference 10 days make. After Speaker John Boehner moved Tuesday to pass a "clean" debt-ceiling increase, relying on Democratic votes in the House, it looked like the increase could have an easy path through the Democratic-controlled Senate. Treasury Secretary Jacob Lew said the nation would hit the debt limit at the end of the month, and with Congress on recess until February 25, Wednesday's vote was almost do or die. But the freshman senator from Texas had other...