Washington (AFP) – With the US House of Representatives poised to impeach President Donald Trump for a second time — just days before he is to leave office — questions are being raised about what happens next. Here are some of the possible scenarios if the House, as expected, impeaches Trump on Wednesday for inciting last week’s attack by his supporters on the US Capitol as Congress certified Democrat Joe Biden’s presidential election victory: Senate trialThe usual process is for the Senate to hold a trial for a president who has been impeached by the House. That’s what happened last year af…