Just when it seemed as though the Vincent Adler/Kate/Nazi treasure storyline had all but wrapped up, last night's season finale of White Collar ("Under the Radar") threw us for another loop with that cliffhanger ending. Throughout the series' run over the last two seasons, the relationship between Neal Caffrey and Peter Burke has grown into something resembling an actual partnership based on mutual trust, respect, and, well, friendship. Which is why the innate tension and suspicion of the "prove it" scene at the very end of this week's installment threatens to alter the delicate balance that has existed between the two for some time now. Neal has proven himself a staunch ally to the White Collar Crime Division of the FBI, willing to lend his expertise to catching some crooks, but he's always had his feet in two worlds: the criminality that he's sworn to give up and the path of redemption that Peter has put him on. Is it possible to remain within