WASHINGTON (AP) — One handshake, one hug and one selfie at a time. If President Joe Biden could greet every American this way, longtime allies say, his approval ratings would soar. Biden has never been at his best in big speeches, where his delivery can be stilted, his stories sometimes meandering. It’s the end of his speech that often marks the beginning of Biden’s favorite part of an event — the rope line, in the parlance of political operatives. He whirls around, scans the crowd and zeroes in on his first target for a one-on-one connection. It might be with...