WASHINGTON - The US House of Representatives on Thursday defeated a Republican bill designed to significantly reduce visas for legal immigration into the United States and to temporarily protect illegal 'Dreamer' youths from deportation. The House defeated the measure on a vote of 193-231 as a group of Republicans joined Democrats to sink the plan. The House had been scheduled to vote on a second immigration bill on Thursday that could appeal to more Republicans, but Republican leaders postponed consideration of that measure until Friday as they sought to build more support, according to a senior House Republican aide.