One more data point demonstrating the leftward tilt of the purportedly non-partisan Politico: In his Playbook of today, Politico's chief White House correspondent Mike Allen depicts a “grand bargain” on the credit ceiling, which inevitably would include huge tax increases, as an “historic achievement” for which President Obama and House speaker John Boehner would “rightly get credit.” In contrast, Allen suggests that Republican leaders Eric Cantor and Kevin McCarthy are refusing a grand bargain out of personal political ambition. View more after the jump. From the Playbook [emphasis added]: