The Republican chase for a rare political and policy win with passage of their tax plan has thinned the ranks of the party’s deficit hawks.

Traditional cost accounting for mixed-use residential projects often does not properly allocate all construction costs to each section of the property.

It just might be Ted Cruz’s biggest victory as a senator: Helping stop in its tracks a plan late Thursday night to add $350 billion in tax increases to the Senate’s tax bill to placate fellow Republican Senator Bob Corker’s worries about the deficit.

A provision in the tax bill passed by the U.S. House of Representatives would only intensify the housing crunch in the nation’s fourth-largest city—and others across the U.S.—by crippling affordable housing construction.

As the tax debate hits its latest crescendo in Washington, TV ads trying to influence the biggest rewrite of the code in three decades have increasingly targeted states with wavering Republicans, including Wisconsin and Maine.

The Treasury Department’s inspector general is examining whether political considerations interfered with Secretary Steven Mnuchin’s promised analysis of the Republican tax proposal.

The Senate held a round of marathon votes Friday and ultimately passed the bill overnight. Here are the latest developments, updated throughout the day.