* Growing list of Republicans will support today’s vote on impeaching Trump
* Pence rejects effort to oust Trump with 25th amendment
* US to require proof of negative Covid-19 tests for international visitors
* China’s Covid-19 cases rise the most in over five months
* Brazil data shows China coronavirus vaccine is 50.4% effective
* Global shortage of semiconductors squeezes auto production
* US job openings fell less than expected in November but still trending down
* US small business optimism index fell sharply in December: