California Gov. Gavin Newsom walked into friendly territory — and still got hammered. During a Friday night appearance on Real Time with Bill Maher, the Democrat was supposed to plug his memoir and trade political jabs . Instead, host Bill Maher put Newsom on the spot over the very issues dogging his leadership in the state. Maher, who’s previously encouraged Newsom to run for president, didn’t hold back, especially when it came to California’s long-troubled high-speed rail project . “I say this as a friend, you got to let that train go!” Instead, host Bill Maher put Newsom on the spot over the very issues dogging his leadership in the state Bill Maher put Newsom on the spot over the very issues dogging his leadership in the state. The blunt advice came as Maher ticked through the Golden State’s mounting problems — sky-high gas prices, crushing rents and a laundry list of economic complaints that critics say define Newsom’s tenure.…