LeBron James having phone problems is to Samsung ... what a White House security breach is to the Secret Service -- time to scramble the jets! But did LBJ make a huge blunder when his phone crapped out? Plus, video of Ronda Rousey flashing some WWE-style moves in a ring ... has everyone wondering -- is the UFC champ making a big move? Should she? And Kobe Bryant made life way harder for cheaters everywhere -- according to Marlon Wayans. You gotta hear his theory ... it's funny, but does he have a point?