ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Tens of thousands of Brazilians took to the streets on Wednesday in new demonstrations calling for a crackdown on corruption and better public services, just a day after Congress ceded to some of the key demands galvanizing protests across the country.<br/> <br />In Belo Horizonte, some 50,000 people gathered to demand improved education and healthcare as Brazil's third-largest city hosted a Confederations Cup semi-final soccer game between Brazil and Uruguay in a warm-up for the 2014 World Cup.<br/> <br />Hooded youths threw stones at police who used teargas to stop marchers 1-1/2 miles from the stadium. A banner hung from a bridge read "FIFA go home" in reference to the world soccer body.<br/> <br />Almost two weeks after a wave of discontent suddenly erupted into Brazil's biggest protests in 20 years, the country's shaken political leadership is scrambling to respond to popular pressure for change.<br/> <br />On Tuesday night, Congress rejected a constitut
