Welcome back to ON THE LOT , our weekly newsletter with fresh reporting and analysis on the biggest storylines in Hollywood. In today’s edition: Casey Wasserman’s latest cancellation, Hollywood’s ironic new labor pains, confessions of A-list casting director Francine Maisler and this week’s recommendations. Got tips (On L.A. Olympic committee gossip or how to get Springsteen tickets at the Forum)? You can reach me at rebecca.keegan@nbcuni.com or on Signal at thatrebecca.82. To receive this