The Senate is expected to vote as soon as Sunday night to start advancing legislation to end the 40-day government shutdown, but there are obstacles that could drag the process out for many more days.

One of them is Sen. Rand Paul (R-Ky.), who has been warning GOP leaders that he will obstruct passage of any bill that takes aim at the hemp industry in his state.

The hemp policy fight has been a major internal headache for the GOP, pitting Paul against fellow Kentucky Republican Mitch McConnell. The release of Agriculture spending bill text Sunday showed McConnell, a senior member of the Appropriations Committee, won out over Paul, with the…

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