Toyota is killing its Scion brand after years of slumping sales. Beginning in August, 2017 model-year Scion vehicles will be rebadged as Toyotas. The FR-S sports car, iA sedan and iM 5-door hatchback, as well as the C-HR, which recently debuted at the L.A. Auto Show, will be a part of the Toyota line-up. The tC will have a final release series edition and end production in August, according to Toyota Motor Corp. Scion was formed in 2003 to attract younger buyers. [...] But there were multiple problems. The Millennials that the Scion was aiming for held back on big...