Republicans who control the U.S. House of Representatives will try to nudge President Donald Trump's sweeping tax bill toward passage this week, despite a running battle over spending cuts and tax breaks that threatens to shatter their fragile majority.

Internal Republican divisions over President Donald Trump's massive tax and spending bill played out in at the Wisconsin GOP convention.

Moody's downgrade of the U.S. sovereign credit rating has elicited mixed responses among Republicans in Congress, with some questioning the motive behind the change and others depicting it as a warning that lawmakers should heed as they wrestle with a sweeping tax and budget bill.