COUNCIL BLUFFS, Iowa (Reuters) - Stuck in Washington as a juror in President Donald Trump's impeachment trial while rivals for the Democratic Party's presidential nomination crisscross Iowa, Senator Elizabeth Warren has tapped a stand-in with undeniable voter appeal: her dog Bailey.
The latest opinion polls show either Senator Bernie Sanders or former Vice President Joe Biden in the lead in Iowa just days before the state's Feb. 3 caucuses, the country's first contest to see who will challenge Trump in November's presidential election.