Burger King's US Turnaround Takes HoldThe standout performer in Restaurant Brands' results was Burger King's U.S. business, where same-store sales climbed 8.5% during the quarter, extending a turnaround that has taken hold in the chain's home market over recent quarters. Tim Hortons and Popeyes Lag BehindNot every part of Restaurant Brands' portfolio shared in Burger King's momentum. Tim Hortons' same-store sales in Canada, and overall, came in essentially flat for the quarter, rising just 0.1%. Popeyes Louisiana Kitchen was the weakest performer across Restaurant Brands' portfolio, with U.S. same-store sales declining 5.2% for the quarter. The divergent trajectories across Restaurant Brands' four chains are expected to remain the central storyline shaping the company's performance heading into the remainder of the year.