Senators keep asking impeachment hypotheticals about Mitt Romney right in front of Mitt Romney

Sen. Mitt Romney (R-Utah) probably doesn't need a lot of reminders about the 2012 election, but he's getting them anyway.Romney on Wednesday was at the center of some hypothetical scenarios drawn up during the Senate's impeachment trial. First, the House's lead prosecutor Rep. Adam Schiff (D-Calif.) posed a scenario in which former President Barack Obama was caught asking former Russian prime minister Dmitry Medvedev for an investigation into Romney -- Obama's 2012 presidential challenger -- in