Asian shares rise on bets Fed may stay cautious

By Lisa Twaronite TOKYO (Reuters) - Asian shares got a boost on Tuesday from Wall Street's rise, as investors positioned for the possibility that weaker-than-expected U.S. data will prompt the Federal Reserve to adopt a cautious stance this week. The Federal Open Market Committee is scheduled to begin its two-day policy meeting later on Tuesday, and many analysts had expected the central bank to drop the word "patient" from its formal statement on the timing of its first interest