Democrat Sen. Mark Warner: We perhaps screwed up passing Obamacare with only support from our party

Republicans are making a mistake by not taking a bipartisan approach and trying to craft tax reform by themselves, Democratic Virginia Sen. Mark Warner told CNBC on Monday.

“If there’s one thing we’ve seen, when either political party tries to do big things only with one side of the aisle, you generally screw up,” said Warner, a member…
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