Producer-Director J.J. Abrams is one of the stars expected at Obama's events.
Biden will speak to the DCCC on Saturday in Santa Fe.
Tim Canova raised more than $550,000 in the first fundraising quarter.
Lisa Hagen and Cristina Marcos 04/03/16 03:11 PM EDT
Democrats are optimistic Trump's candidacy could swing some House races their way.
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.