captioning sponsored by macneil/lehrer proctions woouff: good evening. i m judyoodruff. the obama admistration rolls out new proposals to help mile class americans. ifill: and i m gwen ifill onhe newshour tonight, would new tacredits for children w1 and the derly win over main street without losing wall street? woodruff: then, an aq update aftereadly bomb blasts hit hotels ibaghdad. ifillas threats and plots multiply around the world,ow rong is al qaeda? margaret warner pos that question to a former c.i. officer. the adverry is growing in its o sophistication, running different typeof operations. and we hit them in certain areas, neutralize pability, they shift to other thgs. the latt from haiti whereas many a1 million p woodruff: the latt from haiti, where as ny aone million people a still homeless. ray suez is in port-au-prince, ere he talked with paul farmerthe u.n. s deputy spial envoy, even as international donors mt in montreal to figure out h to help. i