The National Federation of Independent Business is inviting small business owners to attend a forum with U.S. Senate candidates followed by Small Business Day at the Capitol next week. The candidate forum has confirmed participants state Sen. Joni Ernst, Mark Jacobs and Matt Whitaker. Also invited are Congressman Bruce Braley and Sam Clovis. The forum will take place from 5:30 to 7:30 p.m. on Tuesday, March 18, at Embassy Suites Downtown Hotel, 101 E. Locust St. Small Business Day at the Capitol will take place on Wednesday, March 19, from 9:30 a.m. to 3 p.m. Registration for the forum is $20, and registration for Small Business Day is $25. For more information or to register, contact Sandy Kinter at sandra.kinter@nfib.org.