By Fred Lucas ~

Wednesday was question-and-answer day in the Senate impeachment trial of President Donald Trump, and it included a thought exercise in which Barack Obama asks Russia to investigate election rival Mitt Romney.

Senators acting as jurors, and in some way judges, submitted questions in writing to Chief Justice John Roberts. He then read them out loud for answers from the president’s lawyers or from House Democrats’ impeachment managers led by Rep. Adam Schiff, D-Calif.

Here are highlights from the eighth day of the impeachment trial,  which is to be followed by another day of questioning Thursday.

1. Schiff’s Parody of a Romney Probe

Before becoming a character in a thought exercise during the impeachment trial, Sen. Mitt Romney, R-Utah, speaks to reporters while arriving Wednesday at the Capitol for Day 8 of the proceedings. (Photo: Mario Tama/Getty Images)

In previous days, the president’s lawyers contrasted the charges…