B y Peter Apps LONDON, May 4 (Reuters) - As Ukraine fought a bloody battle to prevent Russian forces seizing its capital Kyiv in the first two weeks of the war, the Taiwan International Strategic Study Society was polling residents of the island to see if they too would be willing to fight in the event of a Chinese assault. The findings were striking. Just over 70 percent of those surveyed said they would be willing to take up arms, a dramatic increase from the 40 percent who expressed that opinion in a survey conducted in late December. But the...