Fran Person is challenging Rep. Mick Mulvaney (R-S.C.).
Reid's office denies the accusations.
Rep. Collin Peterson said he'd reflect his district's vote for Sanders in the Minnesota caucuses.
The DNC chair is facing her first primary in her more than a decade in office.
The race to replace retiring Rep. Rubén Hinojosa (D-Texas) is ramping up.
Cook Political Report said it cannot be certain Republicans will hold the House.
The DCCC raised $7.1 million last month, contrasted with $6.3 million for the NRCC.
The anti-Washington mood didn't topple any House incumbents.
Warren Davidson is expected to replace the former Speaker.
Cristina Marcos 03/13/16 09:00 AM EDT
Despite anti-establishment fervor in the presidential race, incumbent lawmakers have fared well...