Welcome to CapBiz A.M., your morning primer on business news with a focus on Washington.

Poking fun: Arlington County officials have launched a video campaign aimed at building support for a proposed $358 million streetcar system. But they aren’t the only ones using YouTube to advance a position on the debate. (CAPBIZ)

D.C. distinction: Perkins Coie, the Seattle-based law firm with 1,000 lawyers in the United States and Asia, has named a Washington-based managing partner for the first time in the firm’s 102-year history. (CAPBIZ)

House always wins: Maryland’s four casinos combined to generate more than $833 million in gross gambling revenue last year, with one pulling in more than three fourths of that grand total. (WP)

Eyes on cyber: Maryland Gov. Martin O’Malley (D) stopped by a Baltimore-based cybersecurity start-up company Tuesday  to highlight his administration’s efforts to increase jobs across the state (WP)

More than a hand slap: Citigroup and the U.S. Justice Department are reportedly nearing a multibillion-dollar deal to settle claims the bank sold shoddy mortgages leading up to the financial meltdown in 2008. (WSJ)

Grilling time: General Motors CEO Mary Barra will be back before a Senate subcommittee next week answering questions about the company’s widespread recall. So will the parts’ manufacturer. (USA)

Leaving light behind: Americans are starting to turn their backs on light brews, sending sales of domestic light beers toward an expected 10-year low in 2015. Here’s what they are drinking instead. (WP)

Another ACA challenge: One senator is fighting to eliminate a special rule in the health care law that allows lawmakers and their staffers to buy government-subsidized coverage through new small-business exchanges. (WP)

On Wall Street

Stocks sunk for the second straight day on Tuesday as investors pulled back ahead of several key earnings reports later this week. (Get the latest updates here)

What’s on tap today

MBA purchase applications (7:30 a.m.)

EIA Petroleum Status Report (10 a.m.)

FOMC Minutes report (2 p.m.)

FFEI real estate investment seminar (8:30 p.m.)

Help: How to save money on your company’s research and development (OSB)

Follow: Perkins Coie 

Extra: Why Brazil’s epic World Cup loss might actually bode well for Brazil. (WP)