WASHINGTON — Amid partisan bluster, top members of Congress and President Barack Obama were holding out slim hopes for a limited fiscal deal before the new year. But even as congressional leaders prepared to convene at the White House, there were no signs that legislation palatable to both sides was taking shape.

The Friday afternoon meeting among congressional leaders and the president — their first since Nov. 16 — stood as a make-or-break moment for negotiations to avoid across-the-board first of the year tax increases and deep spending cuts.

Obama called for the meeting as top lawmakers alternately cast blame on each other while portraying themselves as open to a reasonable last-minute bargain.