. >> how muchdollar worth? a new study looked into ng per not do well. for us, $100 equals 93 bucks. higher incomes lead to higher g for the ur worth 10. >>> we are now half an from the ceremonies of the pan-mass challenge. the backson college is one of the starting points. we'll bring you live coverage of the opening ceremonies right here on wbz starting at 7:00. 11:00. captioning sponsored by cbs >> dubois: battling back. >> i've been told by so many people that know me-- under pressure, donald, that's when you do the best. >> dubois: donald trump takes t battleground states as polls show hillary clinton widening her also tonight, chicago on edge as video is released in the fatal police shooting of an unarmed black teenager. another infection in the miami zika zone as fear grows among pregnant women. >> my one job is to protects baby. >> dubois: and steve hartman on the track? >> steve hartman, known by brian