By Steve Scherer OTTAWA (Reuters) – Dozens of trucks and other vehicles blocked the downtown area of Ottawa for a second day after thousands descended on Canada’s capital city on Saturday to protest against Prime Minister Justin Trudeau and COVID-19 vaccine mandates. Trucks remained parked on the streets near parliament on Sunday, a day before lawmakers are due to resume work after the holiday break. Hundreds of protesters were out on Sunday, too. Some truckers said they will not leave until the mandate is overturned. Former U.S. President Donald Trump, speaking at a rally in Texas on Saturday…