WASHINGTON (AP) — Buoyed by word that the special counsel didn't find collusion with Russia, President Donald Trump is voicing new interest in policymaking, including a fresh effort to repeal and replace "Obamacare." But Trump has few detailed policy proposals to back up his words, suggesting he's as focused on highlighting issues that appeal to his political base as actually enacting legislation.

Trump stressed his desire to revive his failed effort to kill the Affordable Care Act on Wednesday, a pivot to health care that both broadens and complicates the administration's agenda. Many in the...