Why are Republicans pushing a proposal that appears doomed to fail?

The more generous read is that moderate Republicans, who rallied around a discharge petition — but fell two signatures short of forcing votes on bipartisan immigration bills — successfully pressured House Speaker Paul Ryan to hold a vote on immigration that he didn’t want to.

The less generous interpretation is that moderate Republicans are getting a vote on something, anything, so that they can take it back to their voters in November and say that they tried

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