Washington (AFP) – President-elect Joe Biden is expected to unveil plans Thursday for fighting Covid and restoring the economy, but already his ambitious first 100 days agenda is overshadowed by the looming Senate trial of his soon-to-be predecessor Donald Trump. On the day after Trump was impeached in the House of Representatives — becoming the first US president in history subjected to a second impeachment — Biden hopes to seize the narrative in a primetime address and get Americans looking forward again. What he is less keen to talk about, however, is the impending trial of Trump, somethi…