toronto, April 29 -- As voting began for Canada's election on Monday, US President Donald Trump inserted himself into the conversation, repeating his threat of annexing the country as America's 51st state. Prime Minister Mark Carney, the Liberal Party leader, riffed on standing up to Trump in a video posted on social media, as the 60-year-old leader said, "This is Canada - we decide what happens here. Let's choose to be united and strong, Canada Strong." His campaign has gained momentum on standing up to Trump threats of tariffs and annexation. In a post on Truth Social, Trump said Canada could become the US's "cherished 51st state", adding, "IT WAS MEANT TO BE!" That post drew a rebuke from Carney's rival, Conservative Party leader Pierre ...