China's high-pitched response to unrest across Tibet has muffled questions at home about policy missteps but is entrenching hardline positions likely to cramp room for flexibility in the region long after the Olympics.

Chinese popular opinion has strongly backed the government's claims that followers of the exiled Tibetan Buddhist leader, the Dalai Lama, planned the bloodshed and unrest from mid-March to disrupt the Beijing Olympics in August.

Officials now brand the Dalai Lama a murderous criminal, a terrorist and worse, but Premier Wen Jiabao recently repeated his government's position that it is open to possible dialogue.

Communist Party security and propaganda chiefs seem to have grabbed hold of policy, says Nicholas Bequelin of Human Rights Watch, a New York-based group critical of Chinese controls in Tibet.

Only months before the Beijing Games, China's leaders have appeared to the world angry and threatened, dressed metaphorically in army greens rather than the business suits they like to wear. Hardly what their Games PR advisers planned.

Tibet's Communist Party chief, Zhang Qingli, has emerged as the loudest advocate of state policy, vowing more of the same tough policies he pushed before the turbulence.

After the outbreak of protests, he rained comic-book insults on the Dalai Lama. A "jackal in Buddhist monk's robes" and a demonic "spirit with a human face and the heart of a beast" were among them.

But by applying a political bludgeon rather than a scalpel to the tense region, Beijing is risking longer-term hazards.

"Even if you blame the Dalai for separatism, slogans can't be a substitute for policy," said Guan Anping, a Beijing lawyer who formerly advised the government. "The politicisation and propaganda are leaving deeper problems to pile up unaddressed."

China's Communist Party leaders, secretive at best, have been especially quiet about how they crafted a response to the riots and protests across Tibet and nearby provinces from mid-March.

The exception was Premier Wen Jiabao who on March 18 spoke on the unrest at an annual press conference scheduled long before. President Hu Jintao has kept mum, perhaps wary of yoking himself to such a messy business so close to the Beijing Games.

Regional Party boss Mr Zhang's own prospects depend on swiping aside questions whether he and security forces could have better anticipated and handled the worst unrest.

Yet it was on his watch that the worst instability in Tibet since at least 1989 erupted, raising questions about the wisdom of his administration's approach, preparedness and response.

With no prior experience there, Mr Zhang took over as its top Party official in late 2005 after rising in restive, largely Muslim Xinjiang, where security tended to be even tougher.

"Zhang Qingli has been stepping up his anti-Dalai Lama rhetoric since he came in," said Andrew Fischer, a Tibet expert at the London School of Economics.

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