WASHINGTON (AP) — Senate GOP leaders abruptly shelved their long-sought health care overhaul Tuesday, asserting they can still salvage it but raising new doubts about whether President Donald Trump and the Republicans will ever deliver on their promises to repeal and replace "Obamacare."

Republican leader Mitch McConnell announced a delay for any voting at a closed-door senators' lunch also attended by Vice President Mike Pence. McConnell's tone was matter-of-fact, according those present, yet his action amounts to a stinging setback for the longtime Senate leader who had developed the legisla...