Through all the question marks about Kobe Bryant's durability and his younger teammates' development, a tight rope emerged for the Lakers to navigate.To what degree will the Lakers rely on Bryant's skill and 20 years of NBA experience in possibly his last season? To what degree will the Lakers lean on rookie point guard D'Angelo Russell, second-year forward Julius Randle and second-year guard Jordan Clarkson to lay the groundwork of a potentially long-term future?As the Lakers demonstrated in their 102-91 loss to the Toronto Raptors on Friday at Staples Center, rarely are their concrete answers.