Reuters BANGKOK — The leader of a movement trying to topple Thailand's government said he would call off his protest if civil war threatened to break out but rejected any compromise with the government ahead of a planned "shutdown" of the capital. Supporters of Prime Minister Yingluck Shinawatra were rallying in her defence on Sunday but steered clear of Bangkok. Life in the capital was much as normal most of the day but Reuters reporters said protesters were assembling in late afternoon in areas they intend to blockade from Monday, such as by the MBK shopping complex in the commercial heart of Bangkok. Local media said they had blocked a road in front of a huge government…