Doubts abound for Thune’s aggressive megabill timeline

In Senate Majority Leader John Thune’s perfect world, he’d be ready by this time next week to start voting on the GOP’s sweeping megabill.

But this world is far from perfect, Thune and fellow Senate Republicans learned Tuesday. A host of concerns from diverse pockets of the GOP are threatening his grand plan of winning Senate passage by July 4 — with some in his ranks warning of an epic face-plant if Republican leaders push too hard, too fast.

“My guess is it will fail,” predicted Sen.