GEORGE STRAIT Here for a Good Time [MCA Nashville] George Strait sings “I’m not here for a long time, I’m here for a good time” on the title cut of his 39th studio album, but the fact is that he has been here for a long time. That’s not a knock; Strait has made a towering virtue out of consistency. The big news here is Strait’s continuing late-career development as a songwriter after three decades barely ever picking up a pen: He co-wrote...