Sen. Kamala Harris (D-CA) on Thursday was caught flashing a large grin before lamenting the transfer of two impeachment articles to the Senate as a “solemn, serious moment” in an interview with MSNBC. Harris, who recently ended her ill-fated presidential campaign, is seen smiling at someone in the room before host Kasie Hunt questions her about the Senate’s upcoming impeachment trial against President Donald Trump. Once she realizes she is on a live shot, Harris’ demeanor swiftly changes. “This is a solemn, serious moment,” she says of the impeachment process. “These are the most serious charges brought in the history...