Roskam says he’s ready for his rivals. He says he’ll campaign on Republican tax rewrite and that his 2018 race reminds him of his challenges in 2006, when Democrats gained a net 30 House seats to take control of the chamber. Overcoming that wave led to his first win, beating future U.S. Sen. Tammy Duckworth for the seat he has held since. He prevailed then in a mid-term election while Republican President George W. Bush was in office.