WASHINGTON (AP) — President Donald Trump's aides opened the door to working with moderate Democrats on health care and other issues while Senate Democratic leader Chuck Schumer quickly offered to find common ground with Trump for repairing former President Barack Obama's health care law. Schumer said Sunday that Trump must be willing to drop attempts to repeal his predecessor's signature achievement, warning that Trump was destined to "lose again" on other parts of his agenda if he remained beholden to conservative Republicans. [...] on Sunday he turned his criticism toward conservative lawmakers for the failure of the Republican bill, complaining on Twitter: "Democrats are smiling in D.C.