Beyonce to perform at Essence Fest in New Orleans   7 senior citizens die in China apartment block blaze+   2ND LD: Emperor diagnosed with irregular pulse, to take rest+   Guantanamo ex-prosecutor slams system: interview   Gov't to effectively halt spending cut policy to bolster economy+   Obama to name Bill Richardson as commerce secretary   Coleman pleads no contest to disorderly conduct   Main events scheduled for Thursday, Dec. 4+   Nuclear, biological terror attack 'likely': US commission   Fresh warrant to be served on man over attacks on ex-official, kin+   Revised Nationality Law to be enacted Friday+   2ND LD: Japan, S. Korea, U.S. agree to seek N. Korea pledge on nuke sampling+   Simpson, co-defendant face 18 years at sentencing   LEAD: Emperor diagnosed with irregular pulse, to take rest+   Japan hopes Thailand restores stability soon+   Thai airports reopening after PM ousted by court   Dollar climbs to mid-93 yen level on global stock rises+   Thai protesters prepare to leave airport   Emperor diagnosed with irregular pulse, to take rest+   Global economic woes trigger Canada political crisis