During a press opportunity this morning for his new six-part TV series, AMC Visionaries: James Cameron’s Story Of Science Fiction (4/30) director James Cameron let loose on the current “politicizing of science”, his commitment to four Avatar sequels and the effect of the Fox/Disney proposed merger on them, the need for rethinking the themes in his upcoming return to Terminator, and why Oscar may have a prejudice against sci-fi films. Speaking to journalists at the…