By Richard Cowan WASHINGTON (Reuters) – The Democratic-controlled U.S. House of Representatives is expected on Tuesday to give final approval to a Senate-passed bill temporarily raising the government’s borrowing limit to $28.9 trillion, putting off the risk of default until early December. Democrats, who control the House by a mere four-vote margin, were expected to maintain party discipline and pass the hard-fought, $480 billion debt limit increase https://www.reuters.com/world/us/us-senate-democrats-republicans-haggle-over-short-term-debt-fix-2021-10-07, only to face another deadline within…