Wall Street Journal front-pager: After Pennsylvania, 15 House Democrats strategize at Clinton HQ about courting superdelegates.

LA Times: Many undecided superdels plan to wait until the final June 3 primaries to make their choice– but not much longer.

NY Times: Some insiders wonder if race is hurting Obama among key voting groups — and ponder electability.

NPR: Missouri Rep. Cleaver: “We have a process that appears to be about as stupid as human beings could put in place.”

Plus: Talking Points Memo reports Clinton-supporting Indiana Sen. Bayh is pressing state House members to delay their endorsements.