WASHINGTON — For a couple of moments on Tuesday, earlier than the thunder rolled and the clouds threatened to open, President Biden was shirt-sleeves deep within the form of political camaraderie he positioned on the heart of his run for the White Home: on the South Garden, surrounded by barbecue and kids and some Republicans, extolling the virtues of studying to like folks with whom you disagree.

Throughout city on Capitol Hill, a Home committee had just finished another hearing into the Jan. 6, 2021, assault on the Capitol and former President Donald J. Trump’s efforts to overturn the 2020 election. Many Republicans, who had spent the day criticizing Mr. Biden for prime inflation, have decried these hearings as a sham.

Mr. Biden made no point out of any of these developments. At a time of mounting political division, the president threw a picnic for members of Congress and their households, inviting each Republican and Democrat within the Home and Senate. He used it to resume his plea for a extra personalised, civilized political discourse, reviving a practice interrupted lately and in search of to recapture a few of what the primary woman, Jill Biden, referred to as the “magic” of the White Home grounds to convey folks collectively throughout the aisle.

“I want we have been capable of do extra of this so that you just all acquired to know each other effectively,” Mr. Biden stated at first of a brief speech by which he averted political points fully and as a substitute reminisced about his a long time befriending Republicans within the Senate.

The congressional picnic, a staple of Washington summers for a number of a long time, had been derailed repeatedly lately. Mr. Trump abruptly canceled it in 2018 amid controversy over his immigration insurance policies, forcing White Home cooks to donate pounds of already grilled steak. The picnic returned the next 12 months — Mr. Trump brought a Ferris wheel to the festivities — however it went on hiatus once more for the next two years amid the pandemic.

In reinstating it this 12 months, Mr. Biden was returning to the backslapping, aisle-crossing consolation zone that he has made central to his political model. He gained the Democratic nomination and the presidency in 2020 partially by promising that he may unite a bitterly divided Washington to unravel issues and move main laws. His presidency has racked up a couple of notable successes on that entrance, together with an infrastructure bill handed final 12 months and a gun safety bill handed final month, each with bipartisan help within the Senate.

However regardless of Mr. Biden’s repeated appeals, lawmakers in each events, and their base voters, seem like chafing on the confines of collaboration.

Liberal activists have criticized the gun laws for not going far sufficient to limit entry to assault weapons. On Monday, as Mr. Biden promoted the invoice in one other South Garden celebration, a protester demanding extra vigorous motion interrupted earlier than being escorted away.

Senator Mitch McConnell of Kentucky, the Republican chief, has threatened to carry up a last invoice — which is aimed toward making america much less reliant on China and different nations for essential expertise — until Democrats drop their plans to move a separate bill containing power tax credit, prescription drug worth reduction, deficit discount and tax will increase on companies and high-earning people. Democrats are in search of to move that laws by way of a particular Senate process that enables them to bypass a Republican filibuster.

A majority of Home and Senate Republicans skipped the picnic on Tuesday, and a reluctance to be seen with Mr. Biden more than likely motivated a few of these lawmakers to remain away. However some confirmed up; White Home officers stated a few dozen Republican senators have been in attendance, although reporters couldn’t see all of them.

The lawmakers who did attend discovered tables lined with blue plaid cloths in addition to boxed dinners of brisket and fried hen and one thing referred to as a “veggie roll sandwich.” There have been cornhole units with the presidential seal, hula hoops, ice cream bars and a number of other bar tents, which supplied gentle drinks, wine and an India pale ale from Delaware, Mr. Biden’s residence state.

The primary woman welcomed the group first, telling these available that there was “one thing magical” in regards to the White Home that “reminds us that we’re a part of one thing that’s a lot greater than one get together or political motion or presidency.”

Then got here Mr. Biden, who instructed outdated tales from the Senate lunchroom and kept away from bragging about his legislative accomplishments, as Mr. Trump had finished on the final picnic in 2019. As an alternative, Mr. Biden appeared to relish the prospect to socialize — and to attempt to recreate the comity of his early days in Washington.

“They stated you may work the rope line,” he stated, closing his remarks. “I stated, hell, I’m going to sit down down and eat with you all. And so that you’re caught with me.”

Emily Cochrane contributed reporting.