New Delhi, June 27 -- Struggling to advance a major tax-cut and spending bill, several US Senate Republicans erupted in anger on Thursday, directing their frustration at Senate Parliamentarian Elizabeth MacDonough. Her ruling found that specific Medicaid policies Republicans wanted to include violated the strict rules governing the special "budget reconciliation" process they are using.

This fast-track procedure allows legislation to pass the Senate with a simple majority of 51 votes, bypassing the usual 60-vote threshold, but imposes strict limits on what policy changes can be included. MacDonough determined the contested Medicaid provisions didn't qualify.

The ruling sparked immediate backlash from some conservatives. "THE SENATE PARL...