CNN  —  Democrats have long found the flip phone Chuck Schumer still insists on using as an endearing quirk that illustrates how committed he is to his way of talking to all sorts of allies, all the time. After how he handled the spending fight, many inside and outside the Capitol are starting to see that phone as a metaphor for a leader who’s out of date and refusing to change as politics changes radically around him. “This is not the first time that members of the caucus expressed frustration