Alphabet's young dividend is backed by powerful cash generation and a disciplined capital-return playbook.Alphabet (GOOGL -0.15%) (GOOG -0.12%) has turned a corner from a pure growth story to a growth-and-income story. The parent of Google, YouTube, and Google Cloud is now paying a quarterly dividend and, more importantly, has ample capacity to raise it over time. Yes, shares have been volatile around heavy artificial intelligence (AI) investment and data-center build-outs, but the operating performance und ...