NEW YORK/GDANSK :The dollar was softer in choppy trading on Monday, as investors monitored the fighting between Israel and Iran for signs that it could escalate into a broader regional conflict and braced for a week packed with central bank meetings. As both Iran and Israel showed no signs of backing off from their attacks, market participants mulled the prospect that Tehran might seek to choke off the Strait of Hormuz - the world's most important gateway for oil shipping. This could raise