The lawmakers ??? Sens. Chris Coons (D-Del.), Jerry Moran (R-Kan.), Mark Warner (D-Va.) and Rubio ??? said their Startup Act 2.0 seeks to give businesses a better chance to attract talent.ADVERTISEMENTThe senators??? bill would create new visas, one allowing foreign students who obtained graduate degrees in math, science and other related fields to stay in the United States, and another for immigr